Chronic ulcerative colitis versus Crohn's disease of the colon.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D003093:Colitis, Ulcerative / Q000150:complications / Q000175:diagnosis* / Q000453:epidemiology / Q000473:pathology / Q000601:surgery; D003424:Crohn Disease / Q000175:diagnosis* / Q000453:epidemiology / Q000473:pathology / Q000601:surgery; D003937:Diagnosis, Differential; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications; D008722:Methods; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000150:complications