What is Barrett’s esophagus?
Barrett’s esophagus (also sometimes called Barrett’s disease or Barrett’s syndrome) is a precancerous condition caused by uncontrolled acid reflux or gastroesophageal reflux disease (GERD).
It happens when corrosive stomach acid seeps back up into your esophagus due to a faulty ring of muscle called a sphincter between the two organs. This causes chronic inflammation that triggers intestinal metaplasia, a process in which the normal...