Carcinoid tumors of the rectum.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001706:Biopsy; D002276:Carcinoid Tumor / Q000473:pathology / Q000601:surgery; D003238:Connective Tissue / Q000473:pathology; D005260:Female; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011351:Proctoscopy; D012004:Rectal Neoplasms / Q000473:pathology; D012007:Rectum / Q000473:pathology