This is an example of a procedure called an upper GI series. The person swallows a substance called barium which allows for illumination of the organs in question. In this case, an ulceration is present in the stomach, seen on the right of the screen. This method is a means of diagnosing stomach ulcers as well as other anomalies along the upper gastrointestinal tract.
Review Date 10/27/2018
Updated by: Michael M. Phillips, MD, Clinical Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.