Adenocarcinoma in Barrett's esophagus.
D000230:Adenocarcinoma / Q000209:etiology*; D001471:Barrett Esophagus / Q000150:complications*; D004935:Esophageal Diseases / Q000150:complications*; D004938:Esophageal Neoplasms / Q000209:etiology*; D006801:Humans