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mastectomy definition

mas·tec·tomy (mas tek′tə mē)

noun pl. mastectomies -·mies

the surgical removal of all or part of a breast, usually so as to remove cancerous tissue

Etymology: mast(o)- + -ectomy

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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