Barrett's esophagus.
D000230:Adenocarcinoma / Q000517:prevention & control; D001471:Barrett Esophagus / Q000150:complications* / Q000175:diagnosis / Q000628:therapy; D004935:Esophageal Diseases / Q000150:complications*; D004938:Esophageal Neoplasms / Q000517:prevention & control; D005764:Gastroesophageal Reflux / Q000209:etiology; D006801:Humans