gastrointestinal system disease
   |__intestinal disease
       |__colonic disease  13 rec.
           |__cavernous hemangioma of colon
           |__colitis 1 rec.
           |   |__chemical colitis 1 rec.
           |   |__Clostridium difficile colitis
           |   |__diversion colitis
           |   |__ischemic colitis
           |   |__microscopic colitis(+)
           |   |__ulcerative colitis
           |__colon cancer
           |   |__adenosquamous colon carcinoma
           |   |__ascending colon cancer(+)
           |   |__colon carcinoma(+)
           |   |__colon lymphoma
           |   |__colon sarcoma(+)
           |   |__colon small cell carcinoma
           |   |__colonic L-cell glucagon-like peptide producing tumor
           |   |__descending colon cancer(+)
           |   |__sigmoid colon cancer(+)
           |   |__transverse colon cancer
           |__colon carcinoma in situ
           |__colon leiomyoma
           |__colonic benign neoplasm
           |   |__colon adenoma
           |   |__colon neuroendocrine neoplasm
           |   |__colonic lymphangioma
           |   |__sigmoid neoplasm(+)
           |__diverticulitis of colon
           |__functional colonic disease
           |   |__colonic pseudo-obstruction
           |__functional diarrhea
           |__intestinal pseudo-obstruction 3 rec.
           |   |__autosomal dominant familial visceral neuropathy
           |   |__neuronal intestinal dysplasia type A 1 rec.
           |   |__neuronal intestinal dysplasia type B
           |   |__X-linked chronic idiopathic intestinal pseudo-obstruction 2 rec.
           |__lipoma of colon
           |__megacolon 9 rec.
           |   |__Hirschsprung's disease 9 rec.
           |   |__toxic megacolon
           |__shigellosis
           |__sigmoid disease