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mastotomyAn obsolete term for an incision into the breast.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
mastostomy(măs-tŏs′tō-mē) [″ + stoma, mouth]
Incision into the breast in order to drain a cyst or obtain tissue for microscopic study.
Medical Dictionary, © 2009 Farlex and Partners