Carcinoma of the rectum.
D000009:Abdominal Muscles / Q000601:surgery; D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000532:radiotherapy / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010502:Perineum / Q000601:surgery; D011300:Preoperative Care; D012004:Rectal Neoplasms / Q000532:radiotherapy / Q000601:surgery*