Breast Cancer-Treatment When breast cancer is detected early removal of the breast is the most common management, with or without adjuvant, radio and chemotherapy. Mastectomy is the name given to breast removal. In the past radical mastectomy was the standard treatment when the cancer was limited to the breast tissues and local underarm glands. This includes the removal of the breast tissues, regional lymph glands within the breast and the arm-pit, plus the pectoralis minor muscle for better exposure for the removal of the lymphatic tissue. ...