A test to look inside your body. It is a nonsurgical procedure used to examine a person’s digestive tract. Using an endoscope, a flexible tube with a light and camera attached to it, doctor can view pictures of your digestive tract on a color TV monitor.

There are many types of endoscopies. Depending on the site in the body and type of procedure, an endoscopy may be performed by either a doctor or a  surgeon . the term endoscopy is used to refer to an examination of the upper part of the gastrointestinal tract.