The surgical removal of the breast, lymph nodes, and the underlying muscles, mastectomy; modified mastectomy; lumpectomy.
A surgical operation to remove a breast and the lymph nodes and muscles associated with it.
Treatment of breast cancer in which the breast, involved skin, pectoral muscles, axillary lymph nodes, and subcutaneous fat are removed.
The procedure involves the excision of the breast, chest muscles, axillary lymph nodes, as well as the encompassing skin and subcutaneous tissue.