An anal fistula is a small tunnel that connects an abscess, an infected cavity in the anus, to an opening on the skin around the anus.
An anal fissure is a tear in the anus tissue. The anus is the last section of your digestive system. It’s located at the end of your rectum.
Hemorrhoids are swollen, enlarged veins that form inside and outside the anus and rectum.
A pilonidal cyst is a cavity under the skin that extends across the tailbone.
Varicose veins are veins under the skin of the legs that have enlarged, bulged, and twisted.