Viral gastroenteritis
Bacterial gastroenteritis
Campylobacter infections
Clostridium difficile colitis
Colon cancer<unk>  disease
Cryptosporidiosis
Mycobacterium Avium-Intracellulare
Toxic megacolon
Ulcerative colitis
Ischemic bowel disease (e.g. mesenteric ischemia, strangulated hernia)
Pseudomembranous enterocolitis
Lymphoma
Ileocecal amebiasis
Sarcoidosis
Yersinia
Campylobacter
Appendicitis
Crohn's disease
Viral gastroenteritis
Irritable bowel syndrome
Bacterial gastroenteritis
Ulcerative colitis
Campylobacter infections
Celiac disease
Clostridium difficile colitis