Gastroesophageal reflux disease (GERD), or just acid reflux, is when stomach acid frequently flows back into the esophagus. Heartburn is the most common symptom of GERD.| AGA GI Patient Center
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.| AGA GI Patient Center
If Barrett’s esophagus is less than 1cm in length, new AGA guidelines suggest against regular endoscopy for monitoring.| AGA GI Patient Center
