- the operation of removing all or part of the breast or mamma.
Origin of mastectomy
Also called mammectomy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mastectomy
Then, in 2000, she was diagnosed with breast cancer and underwent a mastectomy, beating cancer again.Meet ‘Fifty Shades of Grey’ Director Sam Taylor-Johnson: The Cancer-Surviving Badass
June 20, 2013
She was the first in her position to announce that she had breast cancer, revealing the details of her mastectomy in 1974.A Fabulous First Lady
July 9, 2011
After breast cancer left her with a mastectomy, she went through a period of soul searching—then got back on stage.The Stripper Who Lost a Breast
August 21, 2009
I ask your support for bipartisan legislation to guarantee that a woman can stay in the hospital for 48 hours after a mastectomy.
- the surgical removal of a breast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for mastectomy
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.mammectomy
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Surgical removal of all or part of a breast, performed as a treatment for cancer.♦ A radical mastectomy includes excision of the underlying pectoral muscles and regional lymph nodes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The surgical removal of a breast.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.