Innumerable: There are dozens of different kinds. A fistula is basically an abnormal connection between parts of the body. You can have fistulas between the arteries & veins, small bowel & colon, intestine & bladder, bowel & vagina, lungs & bile ducts, stomach & lungs, esophagus & trachea.... I think you get the idea.
Answered 8/24/2013
6.1k views
Anal fistulas: This can be a follow up complication of perirectal abscesses.
Answered 9/16/2013
4.9k views
5 doctors weighed in across 2 answers
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