title: Anatomical prognostic factors after abdominal perineal resection.
mesh_terms: D000230:Adenocarcinoma / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D010537:Peritoneum; D011379:Prognosis; D012004:Rectal Neoplasms / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D012811:Sigmoid Neoplasms / Q000401:mortality / Q000473:pathology / Q000601:surgery*