Please confirm that you are not located inside the Russian Federation
The link you have selected will take you to a third-party website. We do not control or have responsibility for the content of any third-party site.
Repeated backflow of stomach acid (reflux) may cause the cells in the esophagus to change and become precancerous. In this photo, the red tongue-shaped areas (arrows) are examples of these changes.
Photo provided by David M. Martin, MD.