Radical mastectomy with removal of the ipsilateral half of the sternum and a portion of ribs two through five with the underlying pleura and the internal mammary lymph nodes.

Synonyms: Radical Mastectomy, Extended, Extended Radical Mastectomy, Radical Mastectomies, Extended, Mastectomy, Extended Radical, Extended Radical Mastectomies, Mastectomies, Extended Radical