title: Posterior proctotomy--a simple approach to a tumor in a difficult location.
mesh_terms: D000236:Adenoma / Q000601:surgery*; D002276:Carcinoid Tumor / Q000601:surgery; D005500:Follow-Up Studies; D007417:Intestinal Polyps / Q000601:surgery; D008722:Methods; D012004:Rectal Neoplasms / Q000601:surgery*; D012007:Rectum / Q000601:surgery*