An anal fistula is an infected small tunnel that occurs in the internal region of the anus or the external region of the anus. An anal fistula usually occurs when the small glands that are present inside the anus get ...
An anal fistula is an infected small tunnel that occurs in the internal region of the anus or the external region of the anus. An anal fistula usually occurs when the small glands that are present inside the anus get ...