Definition of partial mastectomy - NCI Dictionary of Cancer Terms

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partial mastectomy (PAR-shul ma-STEK-toh-mee)

The removal of cancer as well as some of the breast tissue around the tumor and the lining over the chest muscles below the tumor. Usually some of the lymph nodes under the arm are also taken out. Also called segmental mastectomy.

Previous Definitions:	paroxetine hydrochloride, paroxysmal nocturnal hemoglobinuria, partial cystectomy, partial hysterectomy, partial laryngectomy
Next Definitions:	partial nephrectomy, partial oophorectomy, partial remission, partial response, partial vulvectomy