Ganglioneuromatosis of the sigmoid colon.
D000368:Aged; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging; D003248:Constipation / Q000209:etiology; D003937:Diagnosis, Differential; D005729:Ganglioneuroma / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D009197:Myenteric Plexus / Q000473:pathology; D009413:Nerve Fibers, Myelinated; D011859:Radiography; D012811:Sigmoid Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D013368:Submucous Plexus / Q000473:pathology