title: Abdominoperineal resection for cancer of the rectum.
mesh_terms: D000367:Age Factors; D000368:Aged; D006801:Humans; D007813:Laparotomy; D008207:Lymphatic Metastasis; D008875:Middle Aged; D010502:Perineum / Q000601:surgery; D011379:Prognosis; D012004:Rectal Neoplasms / Q000401:mortality / Q000601:surgery*; D013514:Surgical Procedures, Operative / Q000401:mortality