D. Scott Lind, M.D., F.A.C.S.; Barbara L. Smith, M.D., Ph.D., F.A.C.S.; Wiley W. Souba, M.D., Sc.D., F.A.C.S. The goal of a mastectomy is to remove all breast tissue ...
The pectoralis major muscle originates from multiple locations, including the costal cartilage of ribs two through six, the sternum, the medial half of the clavicle and the external oblique fascia.