Glossary hub

Care Team Provider Roles

APRNAn APRN is a highly trained nurse clinician with advanced education and licensing. Depending on state rules and clinic setup, APRNs can diagnose, prescribe, order tests, and manage treatment visits.

Chemotherapy NurseA chemotherapy nurse is an RN with oncology infusion experience who gives chemo safely, monitors reactions, and helps manage side effects. These nurses are often the people you see most during active treatment.

Gynecologic OncologistA gynecologic oncologist is a cancer specialist focused on ovarian, uterine, cervical, vulvar, and related cancers. Many are trained in both complex surgery and oncology treatment planning.

Hematologist-OncologistA hematologist-oncologist is a doctor trained in both blood disorders and cancer medicine. In many systems, this is the standard training background for medical oncologists.

Infusion NurseAn infusion nurse is an RN who specializes in giving IV medications, monitoring lines and ports, and watching for treatment reactions. Many chemotherapy nurses are also infusion nurses.

Medical OncologistA medical oncologist is the doctor who manages systemic cancer treatment like chemo, immunotherapy, endocrine therapy, and targeted drugs. They often coordinate the overall treatment timeline.

Neuro-OncologistA neuro-oncologist is a specialist who treats cancers that involve the brain, spinal cord, or nervous system. They help with diagnosis, treatment planning, and neurologic symptom management.

Neuro-OncologyNeuro-oncology is the cancer subspecialty focused on tumors and treatment issues affecting the brain, spine, and nervous system. It often involves team-based care across multiple specialties.

NeurosurgeonA neurosurgeon is a surgeon who operates on the brain, spine, and nervous system. In cancer care, they may do biopsies, tumor resections, or procedures to relieve pressure and symptoms.

NP/RNNP/RN is informal shorthand some teams use when discussing who handled a call or visit, usually meaning either a nurse practitioner or registered nurse touched the case.

Nurse NavigatorA nurse navigator helps patients and families move through a complex care system, appointments, authorizations, and education. They are often your practical point person between clinics.

Nurse PractitionerAn NP is an advanced practice clinician who can evaluate symptoms, prescribe medications, and manage many oncology follow-up visits. In some clinics, NPs run independent follow-up schedules.

OncologistAn oncologist is a doctor who specializes in cancer care. Different oncologists focus on medical treatment, radiation, or surgery.

Oncology PharmacistAn oncology pharmacist is a medication specialist focused on cancer drugs, dosing, interactions, and side-effect prevention. They review treatment plans for safety and help adjust supportive meds.

Palliative Care SpecialistA palliative care specialist is a doctor, NP, or nurse with advanced training in symptom relief, communication, and quality-of-life support during serious illness.

PICC TeamThe PICC team, sometimes called vascular access team, are clinicians who place and manage PICC lines and other specialized IV access. They are experts in line placement, troubleshooting, and line safety.

Plastic SurgeonA plastic surgeon in oncology helps with reconstruction after cancer surgery, especially breast reconstruction options like implants, expanders, and flap procedures.

PRNPRN means 'as needed.' You will see this on medications, like anti-nausea or pain meds that are taken when symptoms show up instead of on a fixed schedule.

Radiation OncologistA radiation oncologist is the doctor who plans and oversees radiation therapy. They decide treatment targets, dose, schedule, and how to protect nearby healthy tissue.

RadiologistA radiologist is a doctor who reads imaging tests like MRI, CT, PET, and ultrasound and writes the official report. Most radiologists do not treat directly, but their interpretation drives many decisions.

RNAn RN is a licensed nurse who provides direct clinical care, education, triage, and treatment support. Oncology RNs are central across clinic visits, infusion, and phone symptom management.

Surgical OncologistA surgical oncologist is a surgeon who specializes in removing tumors and related cancer surgeries. They also help with staging procedures and surgical treatment planning.

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Devices, Lines, and Port Drains

Central LineA central line is a catheter that ends in a large vein near the heart and is used for treatment, blood draws, or long-term IV access. A PICC line and some chest lines are both types of central lines.

IV PortAn IV port is a small device placed under the skin, usually in the chest, that gives easy vein access for treatment and blood draws. It reduces repeated needle sticks in arm veins.

JP DrainA JP drain is a soft drainage tube connected to a squeezable bulb that collects fluid after surgery. You will often see these after mastectomy or reconstruction.

PICC LineA PICC line is a long IV catheter placed in a vein in the upper arm and threaded toward a large central vein. It is used for repeated treatments or blood draws.

Power PortA Power Port is a specific type of implanted port that can handle high-pressure contrast injection for certain scans, in addition to regular infusion use. It works like other chest ports for treatment access.

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Diagnosis Staging and Grading

BenignBenign means not cancer. A benign growth can still cause symptoms, but it does not spread the way cancer does.

BiopsyA biopsy is when a small piece of tissue is removed so a lab can check exactly what it is. It is usually the step that confirms a diagnosis.

DiagnosisDiagnosis is the process of figuring out exactly what condition you have. In cancer care, this usually combines symptoms, imaging, biopsy, and pathology results.

GradeGrade describes how abnormal cancer cells look under a microscope and how quickly they may grow. It is different from stage.

Grade 1Grade 1 means cancer cells look more like normal cells and usually grow more slowly. It is often described as lower-grade biology.

Grade 2Grade 2 means the cancer cell behavior is in the middle range, not clearly low-grade and not clearly high-grade. It is very common.

Grade 3Grade 3 means cancer cells look more abnormal and tend to grow faster. You may hear this described as more aggressive tumor biology.

MarginMargin is the edge of tissue removed during surgery. A 'clear' or 'negative' margin means no cancer cells were seen at the edge.

Metastatic CancerMetastatic cancer means cancer has spread from where it started to other parts of the body. You may also hear 'stage 4.'

NEDNED means tests currently show no visible cancer. It is a hopeful milestone many people celebrate.

Pathology ReportA pathology report is the lab report from tissue examined under a microscope. It includes diagnosis details like tumor type, grade, and receptor status.

RecurrenceRecurrence means cancer has come back after a period of improvement or remission. It can be local, regional, or distant.

RemissionRemission means cancer signs are reduced or not detectable. It can be partial or complete.

StageStage describes how far cancer has spread in the body at diagnosis. It helps guide treatment and prognosis discussions.

Stage 0Stage 0 means abnormal cells are present but have not invaded nearby tissue. In breast cancer, this often refers to DCIS.

Stage 1Stage 1 is early invasive cancer, usually small and limited in spread. In many cases, outcomes are strong with timely treatment.

Stage 2Stage 2 generally means a larger tumor, nearby lymph node involvement, or both, but still not distant spread. It is still treated with curative intent in many cases.

Stage 3Stage 3 is more locally advanced disease, often involving more lymph nodes or nearby structures, but without distant metastasis. This stage often needs multi-step treatment.

Stage 4Stage 4 means cancer has spread to distant organs like bone, liver, lung, or brain. This is also called metastatic disease.

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Insurance, Billing, and Authorization

Allowed AmountThe allowed amount is the maximum your insurance plan agrees to pay for a covered service with that provider. It is often less than the original bill charge.

AppealAn appeal is your formal request for insurance to review and change a denial or partial denial. You, your doctor, or both can file it.

ClaimA claim is the billing request a provider sends to your insurance company after a visit, procedure, scan, or treatment. Insurance then processes it and decides what is covered.

CoinsuranceCoinsurance is the percentage of a covered medical cost you pay after your deductible is met. Example: if your plan is 20 percent coinsurance, you pay 20 percent of the allowed amount.

Coordination of BenefitsCOB is the process insurers use when you have more than one insurance plan. It decides which plan pays first and which pays second.

CopayA copay is a fixed dollar amount you pay for a visit, drug, or service, like '$40 for specialist visit.' It is usually due at the time of care.

CPT CodeA CPT code is a billing code that describes the medical service performed, such as an office visit, biopsy, or infusion procedure. Insurers use these codes to process claims.

DeductibleYour deductible is the amount you pay out of pocket for covered services before insurance starts sharing more of the cost. Some services are exempt, depending on plan rules.

DenialA denial means insurance refused to pay for a service, or refused part of it. Denials can happen for authorization, coding, network, or medical-necessity reasons.

Explanation of BenefitsAn EOB is the insurance statement that explains how a claim was processed, what was billed, what was allowed, what insurance paid, and what you may owe.

Explanation of PaymentEOP usually means an insurer payment notice, often used in some systems as a payment-oriented version of claim explanation. In everyday conversation, people sometimes mix up EOP and EOB.

In-NetworkIn-network means the provider or facility has a contract with your insurance plan. This usually lowers your out-of-pocket costs.

Insurance PreapprovalPreapproval, often called preauthorization or prior auth, is insurance permission needed before certain treatments, scans, or drugs are covered.

Medical NecessityMedical necessity means the insurer's standard for whether a treatment, test, or service is clinically justified for your condition.

Out-of-NetworkOut-of-network means a provider does not have a contract with your insurance plan. Costs are often higher, and some plans do not cover out-of-network care except in specific situations.

Out-of-Pocket MaximumThe out-of-pocket maximum is the yearly cap on what you pay for covered in-network services under plan rules. After you hit it, the plan usually pays 100 percent of covered costs for the rest of that year.

Peer-to-Peer ReviewPeer-to-peer review is a phone review between your treating doctor and an insurance company doctor when treatment coverage is denied or questioned. It is often used in appeals.

PremiumYour premium is the amount you pay each month to keep your insurance policy active. You pay it whether or not you used care that month.

Prior AuthorizationPrior authorization is the formal insurer review before care is given for selected services, imaging, or medications. It is often the same concept people call preapproval.

ReferralA referral is when one doctor formally sends you to another specialist or service. Some insurance plans require referrals for specialty coverage.

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Labs, Markers, and Bloodwork

ANCANC is a blood test number that shows how many neutrophils (infection-fighting white blood cells) you have. It helps your team decide how strong your immune system is right now.

AnemiaAnemia means your red blood cell count is low, so your body has less oxygen to work with. It can make you feel tired, weak, dizzy, or short of breath.

Basic Metabolic PanelBMP is a blood panel that checks core electrolytes plus kidney function and glucose. It is narrower than a CMP but still very useful for treatment safety checks.

CA 15-3CA 15-3 is a blood tumor marker often used to track some breast cancers over time, especially in metastatic settings. It is more useful as a trend than as a one-time number.

CA 19-9CA 19-9 is a tumor marker most often linked with pancreatic and some GI cancers, but it may still come up in broad oncology bloodwork conversations.

CA 27.29CA 27.29 is another blood marker that may be used in breast cancer follow-up, mostly to watch trends in some advanced-disease settings.

CA-125CA-125 is a blood test marker often used in ovarian cancer care. It can help track how treatment is going or watch for changes over time.

CBCCBC is a routine blood test that checks red blood cells, white blood cells, hemoglobin, and platelets. It is one of the most common labs during treatment.

CEACEA is a tumor marker blood test often used in some GI cancers and sometimes in broader oncology follow-up. It is usually used to track trend over time, not as a stand-alone diagnosis.

CMPCMP is a blood panel that checks electrolytes, kidney function, liver-related values, glucose, and protein levels. It is a common safety lab in cancer care.

HE4HE4 is a blood marker that can be used in ovarian cancer evaluation and follow-up in some settings, often alongside CA-125.

LDHLDH is a blood test that can reflect tissue stress or cell turnover. In oncology it can be one supporting lab among many, depending on cancer type.

Liver Function TestsLFTs are blood tests that check liver-related values like AST, ALT, alkaline phosphatase, and bilirubin. These labs are commonly monitored during treatment.

PlateletsPlatelets are blood cells that help clotting and prevent bleeding. Cancer treatment can lower platelet counts.

Tumor MarkerA tumor marker is a substance in blood (or another sample) that can help track cancer activity in some cases. Examples include CA-125 and CA 15-3.

White Blood CellsWhite blood cells are immune cells that help fight infection. Cancer treatment can raise or lower WBC counts.

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Side Effects and Symptom Management

AlopeciaAlopecia means hair loss. In cancer care, people usually use this word for treatment-related hair loss from certain chemo drugs.

ChemobrainChemobrain is the everyday term for treatment-related brain fog, memory slips, or trouble concentrating. It can happen during or after treatment and can feel frustrating.

CINVCINV means nausea and vomiting caused by chemotherapy. Some regimens are more likely to cause it than others.

Hand-Foot SyndromeHand-foot syndrome is a treatment side effect that causes redness, tenderness, peeling, or burning in the palms and soles. Some chemo and targeted drugs can cause it.

LymphedemaLymphedema is swelling caused by lymph fluid buildup, often in an arm after lymph node surgery or radiation. It can feel tight, heavy, or uncomfortable.

MucositisMucositis is inflammation and soreness in the mouth or digestive lining caused by treatment. It can make eating, drinking, or swallowing painful.

NeuropathyNeuropathy is nerve irritation or damage that can cause numbness, tingling, burning, or weakness, often in hands and feet. Some chemo drugs are known for this side effect.

NeutropeniaNeutropenia means low neutrophils, which raises infection risk. It often happens during chemo.

Pleural EffusionPleural effusion means extra fluid around the lungs in the pleural space. It can cause shortness of breath, chest pressure, or cough.

Pulmonary EmbolismA pulmonary embolism is a blood clot in the lungs. It can cause sudden shortness of breath, chest pain, fast heart rate, lightheadedness, or coughing blood.

SeromaA seroma is a pocket of clear fluid that can collect after surgery. Small seromas often settle on their own, while larger ones may need drainage in clinic.

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Support and Survivorship Care Planning

BRCA1 / BRCA2BRCA1 and BRCA2 are genes that help repair DNA. Some inherited changes (mutations) in these genes raise risk for breast, ovarian, and other cancers.

ScanxietyAnxiety or distress before a medical scan, while waiting for results, or around follow-up imaging.

Germline Genetic TestingTesting blood, saliva, or another non-tumor sample for inherited genetic changes that may affect cancer risk, treatment, screening, or relatives.

Patient NavigatorA person who helps patients understand the health system, coordinate appointments, find resources, and work through practical barriers to care. The role may be clinical or non-clinical.

Second OpinionAn evaluation by another qualified clinician or care team to confirm a diagnosis or treatment plan, clarify options, or offer a different recommendation.

Fertility PreservationFertility preservation means taking steps before treatment to keep future pregnancy options open. This may include egg or embryo freezing.

Genetic CounselingGenetic counseling is a conversation with a specialist about inherited cancer risk and testing options. They help you understand what testing can and cannot tell you.

Infusion CenterAn infusion center is where IV treatments like chemo, immunotherapy, fluids, or supportive meds are given. Visits can be short or several hours, depending on the treatment.

Palliative CarePalliative care is specialized support for symptoms, stress, and quality of life at any stage of illness. It is not end-of-life care.

Radiation TherapyRadiation therapy uses high-energy beams to destroy cancer cells in a specific area. It is local treatment, unlike systemic therapy that travels through the whole body.

Survivorship Care PlanA survivorship care plan is a written roadmap for life after primary treatment. It usually includes follow-up schedules, late-effect monitoring, and health maintenance tips.

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Surgery, Reconstruction, and Recovery

Acellular Dermal MatrixAcellular dermal matrix, often called ADM, is a soft tissue material used in some breast reconstructions to help support an implant or tissue expander. It acts like a scaffold your body can grow into over time.

Aesthetic Flat ClosureAesthetic flat closure means closing the chest in a smooth, flat contour after mastectomy without breast reconstruction. It is an intentional surgical approach, not simply 'no reconstruction.'

Capsular ContractureCapsular contracture is when scar tissue around a breast implant tightens and can make the breast feel firm, look different, or become painful. It is a known risk after implant reconstruction.

DIEP Flap ReconstructionDIEP flap reconstruction uses skin and fat from the lower belly to rebuild the breast, while trying to preserve the abdominal muscle. It is a type of autologous (your own tissue) reconstruction.

Direct-to-Implant ReconstructionDirect-to-implant reconstruction means placing the final breast implant at the time of mastectomy, instead of first using a tissue expander. Not everyone is a candidate, but it can reduce total surgeries.

Drain Output LogA drain output log is a daily record of how much fluid comes out of each surgical drain, usually measured in milliliters. This helps your team decide when drains can be removed safely.

Drain RemovalDrain removal is the clinic step where a surgical drain is taken out once output is low enough and healing looks good. It is usually quick, though it can feel strange for a few seconds.

Expander-to-Implant ExchangeThis is the surgery where a temporary tissue expander is removed and replaced with a permanent implant. It is a common second stage in implant-based reconstruction.

Fat GraftingFat grafting moves fat from one part of your body to another, often to smooth contour or improve symmetry after reconstruction. It is usually done in small amounts, sometimes over more than one session.

Flap ReconstructionFlap reconstruction uses your own tissue (skin, fat, and sometimes muscle) from one part of the body to rebuild the breast. Common flap types include DIEP, TRAM, and latissimus-based options.

HysterectomyA hysterectomy is surgery to remove the uterus. Depending on the reason and plan, it may also include cervix, ovaries, or fallopian tubes.

Implant ReconstructionImplant reconstruction rebuilds the breast using a saline or silicone implant, either right away or in stages. It is one of the most common reconstruction paths after mastectomy.

Latissimus Dorsi FlapThis is a reconstruction method that uses muscle, skin, and fat from the upper back (latissimus area) to help rebuild the breast. It can be used alone or with an implant.

LumpectomyA lumpectomy removes the tumor plus a small rim of surrounding tissue, while preserving most of the breast. It is often followed by radiation.

Lung ResectionLung resection is surgery that removes part of the lung, usually to remove a tumor or suspicious area. Different types remove different amounts of tissue.

MastectomyA mastectomy removes all breast tissue from one or both breasts. It may be done with or without reconstruction.

Nipple-Sparing MastectomyNipple-sparing mastectomy removes breast tissue while preserving the nipple-areola skin in selected patients. It can be paired with immediate reconstruction.

OophorectomyAn oophorectomy is surgery to remove one or both ovaries. It may be part of treatment or risk-reduction planning.

Porcine ADMPorcine ADM is an acellular dermal matrix made from pig tissue, processed so only structural collagen scaffold remains. In reconstruction, it is often used to support implants or expanders.

Saline ImplantA saline implant has a silicone outer shell filled with sterile saltwater. In breast reconstruction, saline is one implant option alongside silicone gel implants.

Sentinel Lymph Node BiopsyThis procedure removes the first few lymph nodes that drain the tumor area to check if cancer has spread there. It helps avoid removing more nodes than needed.

Silicone ImplantA silicone implant has a silicone shell filled with silicone gel, and many people feel it has a more natural softness. It is widely used in both cosmetic and reconstructive breast surgery.

Skin-Sparing MastectomySkin-sparing mastectomy removes breast tissue and usually the nipple-areola complex, while preserving most breast skin for reconstruction. It is designed to support better reconstructive shape.

Stripping a DrainStripping a drain means gently sliding fingers along the drain tubing to move clots or thicker fluid toward the bulb. This helps keep suction working and prevents blockage.

Surgical DrainA surgical drain is any temporary tube used after surgery to remove extra fluid and reduce swelling or pressure while healing starts. JP drains are one common type.

Tissue ExpanderA tissue expander is a temporary inflatable device used to slowly stretch skin and soft tissue before placing a permanent implant. It is part of many staged reconstruction plans.

TRAM Flap ReconstructionTRAM flap reconstruction uses lower abdominal tissue to rebuild the breast and includes some abdominal muscle. It is an older, still-used form of autologous reconstruction.

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Tests and Imaging Procedures

Bilateral Breast MRIA bilateral breast MRI means MRI images are taken of both breasts in the same exam. This is common for screening in higher-risk patients or for detailed treatment planning.

Bone Density ScanA bone density scan, often called a DEXA scan, checks bone strength and risk of osteoporosis. It is especially relevant for people on certain hormone-blocking treatments that can thin bones.

Bone ScanA bone scan is a nuclear medicine test that looks for areas of unusual bone activity, which can include arthritis, healing injury, or possible cancer involvement.

Contrast DyeContrast dye is a substance used in some imaging tests to make blood vessels, organs, or tissues easier to see. Different scans use different contrast types.

CT ScanA CT scan uses X-rays and computer imaging to create detailed pictures inside the body. It helps find, measure, and monitor cancer.

CT Scan With ContrastThis is a CT scan done after IV and/or oral contrast is given to improve detail. It helps radiologists better see blood flow, organs, and potential lesions.

CT Scan Without ContrastThis is a CT scan done without contrast dye. It is sometimes chosen when contrast is not needed, not safe, or would not add useful information for that specific question.

Gadolinium ContrastGadolinium contrast is the contrast agent commonly used with MRI scans. It helps make certain tissues and abnormalities easier to see.

MammogramA mammogram is a low-dose breast X-ray used for screening or diagnostic follow-up. It can find changes before they are felt.

MRIMRI uses magnets and radio waves to create detailed images of soft tissues. It is commonly used in breast and gynecologic cancer workups.

MRI With ContrastMRI with contrast means contrast is injected during the exam to highlight blood flow patterns and tissue differences. This often improves detection of active or suspicious areas.

MRI Without ContrastMRI without contrast is done when contrast is not needed for the clinical question or when contrast is not advisable. It can still provide excellent structural detail.

Nuclear Medicine ScanA nuclear medicine scan uses a small amount of radioactive tracer to show how organs or tissues are functioning, not just how they look. Bone scans and some thyroid or cardiac tests are examples.

PET ScanA PET scan shows areas of high metabolic activity, which can help identify active cancer. It is often combined with CT as PET/CT.

Pulmonary Function TestA pulmonary function test checks how well your lungs move air and exchange oxygen. It is commonly used before lung surgery, some chest radiation plans, or when breathing symptoms show up.

UltrasoundUltrasound uses sound waves to create images and is often used for breast, pelvic, and gynecologic evaluation. It is painless and has no radiation.

With Contrast'With contrast' means an imaging test includes a contrast agent to improve visibility of certain tissues, vessels, or abnormalities.

Without Contrast'Without contrast' means an imaging test is done without added contrast dye. This may be enough for the question being asked, or safer in certain situations.

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Treatments and Drug Families

AblationAblation is a treatment that destroys cancer tissue using heat, cold, or another focused method. You can think of it as targeting a specific problem spot without removing a whole organ.

Adjuvant TherapyAdjuvant therapy is extra treatment after the main treatment (often surgery) to lower the chance cancer comes back. This can include chemo, radiation, hormone therapy, or targeted therapy.

Alkylating AgentsAlkylating agents are a family of chemo drugs that damage cancer-cell DNA so cells cannot keep dividing. They are used in several cancer types and plans.

AnthracyclinesAnthracyclines are a chemo family used in many breast cancer regimens. They work by damaging cancer-cell DNA and disrupting cell growth.

Antibody-Drug ConjugateAn ADC is a targeted treatment that combines an antibody (the 'address label') with a chemo payload (the 'medicine'). The idea is to deliver treatment more directly to cancer cells that carry a specific marker.

AntiemeticAn antiemetic is a medicine that helps prevent or treat nausea and vomiting during treatment. Many plans include antiemetics before chemo even starts.

AntimetabolitesAntimetabolites are chemo drugs that interfere with how cells make DNA and RNA. Cancer cells divide fast, so this disruption can slow or stop their growth.

Checkpoint InhibitorCheckpoint inhibitors are immunotherapy drugs that take the brakes off the immune system so it can attack cancer better. They are used in multiple cancer types.

ChemotherapyChemotherapy uses medicine to kill or slow cancer cells. Some chemo is given by IV infusion, and some comes as pills.

Clinical TrialA clinical trial is a research study that tests new treatments or new ways of using existing treatments. Trials can be an option at many stages of care.

CycleIn cancer treatment, a cycle is a planned block of treatment and recovery time. For example, treatment on day 1, then a few weeks off before the next dose.

Hormone TherapyHormone therapy in cancer care means medicines that block hormones (like estrogen) or reduce hormone production. It is commonly used for hormone-sensitive breast cancers.

ImmunotherapyImmunotherapy helps your immune system recognize and attack cancer cells. It does not work the same way as chemo.

Maintenance TherapyMaintenance therapy is ongoing treatment after initial treatment to keep cancer controlled and delay progression. It is common in some ovarian and metastatic settings.

Neoadjuvant TherapyNeoadjuvant therapy is treatment given before surgery to shrink a tumor or make surgery more effective. This can include chemo, targeted therapy, or hormone therapy.

Ovarian SuppressionOvarian suppression uses medicine or surgery to lower ovarian estrogen production. It is sometimes used in premenopausal breast cancer treatment.

PARP InhibitorPARP inhibitors are targeted drugs that block a DNA-repair pathway cancer cells rely on, especially in some BRCA-related cancers. They are used in several breast and ovarian settings.

Platinum ChemotherapyPlatinum chemotherapy is a family of chemo drugs that damage DNA, including medicines like carboplatin and cisplatin. These are common in ovarian and other cancers.

TamoxifenTamoxifen is a hormone-blocking medicine commonly used for ER+ breast cancer, often in premenopausal people. It helps lower recurrence risk.

TaxanesTaxanes are a chemo drug family (like paclitaxel and docetaxel) that stop cancer cells from dividing normally. They are widely used in breast and other cancers.