Barrett Esophagus, also known as barrett's esophagus, is related to esophagus adenocarcinoma and esophageal cancer. An important gene associated with Barrett Esophagus is ASCC1 (Activating Signal Cointegrator 1 Complex Subunit 1), and among its related pathways/superpathways are Metabolism of proteins and Infectious disease. The drugs Oxymetazoline and Phenylephrine have been mentioned in the context of this disorder. Affiliated tissues include small intestine and skin, and related phenotypes are esophageal ulceration and gastroesophageal reflux