A barium swallow is a type of X-ray test that helps your doctor see the back of your mouth and throat (pharynx), and the tube that extends from the back of the tongue down to the stomach (esophagus).

CERTAIN lesions of the esophagus, whether localized like a web or more diffuse like scleroderma, may impair esophageal distensibility without narrowing the width of the esophageal lumen as it is ...

A barium swallow is a type of test used to look inside the esophagus, or food pipe. A doctor might recommend this test if they need to look at the outline of any part of a person’s digestive system.