Carcinoid of the rectum.
D000230:Adenocarcinoma / Q000601:surgery*; D000328:Adult; D000368:Aged; D001344:Autopsy; D002276:Carcinoid Tumor / Q000473:pathology / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D012004:Rectal Neoplasms / Q000473:pathology / Q000601:surgery*