Assertion: fistula's tract | /r/HasProperty | abnormal hollow
Facets:
Source sentences:
text: Perianal fistula also commonly called fistula-in-ano, is an abnormal hollow tract or tunnel that is lined with granulation tissue that connects a primary opening inside the anal canal to a secondary opening in the perianal skin; secondary tracts may be multiple and can extend from the same primary opening and have significant negative impact on their quality of life .
text: Bladder vaginal fistula also known as vesico-vaginal fistula is an abnormal fistulous tract communicating the urinary bladder with the vagina resulting in continuous urinary leak in to the vagina.