Perianal fistula is not as innocent as hemorrhoids, hair loss or anal fissures between breech diseases. In the long term, it can turn into a complicated fistula from a simple fistula. This situation makes

Fistula refers to the channel that is contrary to the anatomy formed between the skin surface and the intestine. The anal fistula, peri-anal fistula or anorectal fistula is the formation of this channel