Gastroesophageal reflux disease (GERD)

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.

Cirrhosis

Cirrhosis is permanent damage to the liver by chronic diseases, such as viral hepatitis, NAFLD or long-term alcohol abuse.

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.