Assertion: anal fistula | /r/HasProperty | tunnel
Facets:
Source sentences:
text: An anal fistula is a tunnel that forms between the inside of the anus and the skin surrounding the anus.
text: It is a tunnel that connects the lining of the back passage with the skin next to the anus.
text: An anal fistula is a tunnel covered with rectal and skin lining called epithelium that presents either as an acute infection or recurrent pain and passage of purulent secretion.
text: It is a tunnel connecting the anal gland, from which the abscess arose, to the skin where the abscess was drained.
text: An anal fistula is usually the result of a previous abscess and is a persistent abnormal passage or tunnel between the interior of the anal canal or rectum and the skin surface where the abscess drained.