Carcinoid tumors of the colon and rectum.
D000328:Adult; D000367:Age Factors; D001063:Appendiceal Neoplasms; D002276:Carcinoid Tumor / Q000473:pathology; D003110:Colonic Neoplasms; D006801:Humans; D008875:Middle Aged; D012004:Rectal Neoplasms