gastrointestinal system disease
   |__intestinal disease
       |__inflammatory bowel disease  23 rec.
           |__colitis 1 rec.
           |   |__chemical colitis 1 rec.
           |   |__Clostridium difficile colitis
           |   |__diversion colitis
           |   |__ischemic colitis
           |   |__microscopic colitis(+)
           |   |__ulcerative colitis
           |__Crohn's disease
           |   |__Crohn's colitis
           |   |__gastroduodenal Crohn's disease
           |   |__ileitis
           |   |__ileocolitis
           |   |__jejunoileitis
           |__inflammatory bowel disease 1
           |__inflammatory bowel disease 2
           |__inflammatory bowel disease 3
           |__inflammatory bowel disease 4
           |__inflammatory bowel disease 5
           |__inflammatory bowel disease 6
           |__inflammatory bowel disease 7
           |__inflammatory bowel disease 8
           |__inflammatory bowel disease 9
           |__inflammatory bowel disease 10 9 rec.
           |__inflammatory bowel disease 11
           |__inflammatory bowel disease 12
           |__inflammatory bowel disease 13 2 rec.
           |__inflammatory bowel disease 14
           |__inflammatory bowel disease 15
           |__inflammatory bowel disease 16
           |__inflammatory bowel disease 17
           |__inflammatory bowel disease 18
           |__inflammatory bowel disease 19
           |__inflammatory bowel disease 20
           |__inflammatory bowel disease 21
           |__inflammatory bowel disease 22
           |__inflammatory bowel disease 23
           |__inflammatory bowel disease 24
           |__inflammatory bowel disease 25
           |__inflammatory bowel disease 26
           |__inflammatory bowel disease 27
           |__inflammatory bowel disease 28
           |__inflammatory bowel disease 29
           |__inflammatory bowel disease 30