Crohn's disease of the appendix.
D000293:Adolescent; D000328:Adult; D001064:Appendicitis / Q000175:diagnosis; D001065:Appendix / Q000473:pathology; D002429:Cecal Diseases; D003424:Crohn Disease / Q000175:diagnosis / Q000473:pathology; D006801:Humans; D008297:Male