Biliary reflux, bile reflux (gastritis), duodenogastroesophageal reflux (DGER) or duodenogastric reflux is a condition that occurs when bile and/or other contents like bicarbonate, and pancreatic enzymes flow upward (refluxes) from the duodenum into the stomach and esophagus.Biliary reflux can be confused with acid reflux, also known as gastroesophageal reflux disease (GERD). While bile reflux involves fluid from the small intestine flowing into the stomach and esophagus, acid reflux is backflow of stomach acid into the esophagus. [Source: Wikipedia 
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