Barrett's oesophagus.
D000230:Adenocarcinoma / Q000150:complications; D000293:Adolescent; D000328:Adult; D001471:Barrett Esophagus / Q000150:complications / Q000473:pathology*; D002648:Child; D004935:Esophageal Diseases / Q000473:pathology*; D004938:Esophageal Neoplasms / Q000150:complications; D004947:Esophagus / Q000473:pathology*; D006801:Humans