Alternatives to surgery in the treatment of carcinoma of the rectum.
D000368:Aged; D003125:Colostomy; D003452:Cryosurgery; D004564:Electrocoagulation; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D012004:Rectal Neoplasms / Q000601:surgery / Q000628:therapy*