Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Surgical removal of all or part of a breast, sometimes including excision of the underlying pectoral muscles and regional lymph nodes, usually performed as a treatment for cancer.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The surgical procedure to remove of all or part of a breast; mammectomy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. surgical removal of a breast to remove a malignant tumor

Etymologies

From mastoid + -ectomy (Wiktionary)

Examples

  • A mastectomy is when a woman’s breast is removed in order to remove cancerous breast cells/tissue.

    Breast Cancer Patient Protection Act « Happy Healthy Hip Parenting

  • In 500 BC, in her own court, Atossa self-prescribes the most primitive form of a mastectomy, which is performed by her Greek slave.

    The Emperor of All Maladies

  • She had to have a mastectomy, which is not trivial surgery; it's not open-heart surgery, but it does require a large incision to be made, which is always dangerous.

    Boing Boing: October 19, 2003 - October 25, 2003 Archives

  • So you decide to have a double mastectomy, which is a huge decision in the first place.

    CNN Transcript Jan 20, 2003

  • Rancic also wants to send out a positive message to other women that instead of being something to be ashamed of, a mastectomy is a life-saving operation.

    ABC News: Top Stories

  • The mastectomy is the most difficult part of the surgery.

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  • "Upon diagnosis, it usually requires a mastectomy, which is removal of the nipple and breast tissue."

    The Times-Journal: News

  • Each woman was counseled about her breast cancer risk and about the option of prophylactic mastectomy, which is surgery to remove both breasts while they're still cancer-free.

    Medlogs - Recent stories

  • Doctors told her that the cancer was too widespread for a lumpectomy (the removal of only the tumour and surrounding tissue) and radiotherapy, and that a mastectomy was the best option.

    The News is NowPublic.com - NowPublic.com: The News is Now Public

  • Chen explained that a mastectomy is the generally accepted surgical treatment for a second cancer because whole breast radiation, which typically accompanies a lumpectomy, is not usually recommended twice in a lifetime.

    Medlogs - Recent stories

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