NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,861 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

tumescent mastectomy
(too-MEH-sent ma-STEK-toh-mee)
A type of surgery to remove the breast. The breast is injected with a liquid mixture of salts and small amounts of two drugs. These drugs are lidocaine, to numb the area, and epinephrine, to narrow blood vessels and reduce bleeding. Tumescent mastectomy is usually used to treat breast cancer in elderly patients.