An<unk>  <unk>  is an abnormal communication between the small or large bowel and the skin that allows the contents of the stomach or intestines to leak through an opening in the skin.
Enterocutaneous fistula
Pancreatic fistula
Vesicointestinal fistula
Collaural fistula
Anal fistula
Cimino fistula
Gastrojejunocolic fistula
Perianal hematoma