Venous angioplasty is a procedure that treats blocked or narrowed veins. Sometimes a metal mesh tube or stent is put inside the vein to hold it open.

Venography is a procedure that makes X-ray studies of the veins. It shows how blood flows in your veins.

This surgery is done to treat diseases of the digestive tract. It removes all of the large intestine. When healed, waste passes from the small intestine through an opening (stoma) in the belly wall and into a pouch outside of the body.

This surgery is done to treat diseases of the digestive tract. It takes out all of the large intestine. When healed, bowel movements still occur through the anus.

As food moves along the digestive tract, it is digested. This means it's changed into substances that can be absorbed into the bloodstream.

Learn how to care for your stitches (sutures) when you are at home.

Most hemorrhoids aren't something to worry about. But a thrombosed hemorrhoid is more painful. It occurs when a small blood clot develops in an external hemorrhoid. This can cause severe pain and sometimes bleeding. Read on to learn more.

This exercise stretches and strengthens your upper body.

This exercise stretches and strengthens your upper body.

Giardiasis is an intestinal infection caused by a parasite. Learn about how the infection is spread, as well as treatment and prevention.