<prompt> The commando operation is:-Abdominoperineal resection of the rectum for carcinomaDisaiculation of the hip for gas gangrene of the legExtended radical mastectomyExcision of carcinoma of the jaw and lymph nodes  <response>: Commandos operation: Total glossectomy hemimandibulectomy Removal of floor of mouth Radical lymph node dissection Indicated when carcinoma is fixed to mandible with infiltration of floor of mouth. 