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Medical Definition of One-step procedure
1. A procedure in which a surgical biopsy is performed under general anesthesia and if cancer is found, a mastectomy or lumpectomy is done immediately as part of the same operation. (09 Oct 1997)
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1. A procedure in which a surgical biopsy is performed under general anesthesia and if cancer is found, a mastectomy or lumpectomy is done immediately as part of the same operation. (09 Oct 1997)