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Definition of Lumpectomy

Lumpectomy: The surgical removal of a small tumor, which may be benign or cancerous. In common use, lumpectomy refers especially to removal of a lump from the breast. Lumpectomy, often with chemotherapy or radiation therapy, can be an alternative to mastectomy in cases of nonmetastatic breast cancer.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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