Barrett’s esophagus: Understanding surveillance guidelines

Barrett’s esophagus is when the cells lining the esophagus — the tube connecting the mouth to the stomach — change into the cells lining the intestine. The test for Barrett’s is an endoscopy.

Endoscopy (upper GI)

Upper GI endoscopy is a procedure to view the upper digestive tract, which includes the esophagus, stomach and beginning of the small intestine.

Barrett’s esophagus

Barrett’s esophagus is when the cells lining the esophagus — the tube connecting the mouth to the stomach — change into the cells lining the intestine. The test for Barrett’s is an endoscopy.