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50

NCCN Guidelines for Patients

®

Breast Cancer - Carcinoma in Situ

(stage 0)

, Version 1.2016

Glossary

Dictionary

noninvasive breast cancer

Cancer cells have not grown into the supporting tissue of the

breast.

partial breast irradiation

Treatment with radiation that is only directed at the surgery

site.

pathologist

A doctor who’s an expert in testing cells and tissue to find

disease.

physical exam

A review of the body by a health expert for signs of disease.

pleomorphic lobular carcinoma in situ (LCIS)

An abnormal growth of cells in breast lobules that is more

likely to grow into the fatty tissue of the breast.

primary tumor

The first mass of cancer cells in the body.

puberty

The time when teens sexually develop.

radiation therapy

The use of high-energy rays to destroy cancer cells.

risk factor

Something that increases the chance of getting a disease.

risk-reduction treatment

Methods that aim to lessen the chance of getting a disease.

sentinel lymph node biopsy

Surgery to remove the first lymph node(s) to which cancer

cells spread after leaving the breast tumor. Also called

sentinel lymph node dissection.

sentinel lymph node

The first lymph node to which cancer cells spread after

leaving the breast tumor.

side effect

An unhealthy physical or emotional response to treatment.

simulation

The steps needed to prepare for treatment with radiation.

skin-sparing mastectomy

A surgery that removes all breast tissue but saves as much

breast skin as possible.

stroma

Fatty tissue of the breast.

surgical margin

The normal tissue around the edge of a tumor that is

removed during surgery.

tamoxifen

A drug that lowers the amount of estrogen in the body.

total mastectomy

Surgery that removes the entire breast but no chest muscles.

Also called simple mastectomy.

ultrasound

Use of sound waves to make pictures of the insides of the

body.

vulva

The female organs between the legs.

whole breast radiation

Treatment of the entire breast with radiation from a machine

outside the body.