Regional colitis.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003093:Colitis, Ulcerative / Q000175:diagnosis*; D003424:Crohn Disease / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D005260:Female; D005401:Fissure in Ano / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography