Adenocarcinoma of the rectal ampulla and rectosigmoid: comparison of the abdomino-perineal and anterior resections for cure.
D000230:Adenocarcinoma / Q000401:mortality / Q000601:surgery*; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000401:mortality / Q000601:surgery*; D012811:Sigmoid Neoplasms / Q000401:mortality / Q000601:surgery*