Published: November 22, 2019Updated: November 26, 2019Medically reviewed by Peter C. Enzinger, MD Barrett’s esophagus is a complication of gastroesophageal reflux disease, or GERD, and can sometimes be a precursor for esophageal cancer. The condition occurs when the tissue lining the esophagus (the tube that carries food from the mouth to the stomach) begins to ... Read more