Barrett's esophagus - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/barretts-esophagus/symptoms-causes/syc-20352841
WEBFeb 8, 2023 · Barrett's esophagus is a condition in which the flat pink lining of the swallowing tube that connects the mouth to the stomach (esophagus) becomes damaged by acid reflux, which causes the lining to thicken and become red. Between the esophagus and the stomach is a critically important valve, the lower esophageal sphincter …
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