How is lumpectomy for the surgical treatment of breast cancer defined?

Updated: Feb 13, 2019
  • Author: Mary Jo Wright, MD; Chief Editor: James Neal Long, MD, FACS  more...
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Answer

Answer

Lumpectomy (partial or segmental mastectomy) is defined as complete surgical resection of a primary tumor with a goal of achieving widely negative margins (ideally 1 cm). It may be performed with palpation guidance or with image guidance and is applicable in most patients with stage I or II invasive carcinomas.


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