Crohn's disease of the stomach.
D000293:Adolescent; D003424:Crohn Disease / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005773:Gastroscopy; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging; D008297:Male; D010781:Photography; D011859:Radiography; D013272:Stomach Diseases / Q000175:diagnosis*