Barrett's esophagus.
D000230:Adenocarcinoma / Q000209:etiology / Q000517:prevention & control; D001471:Barrett Esophagus / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology / Q000628:therapy*; D001706:Biopsy; D015984:Causality; D004938:Esophageal Neoplasms / Q000209:etiology / Q000517:prevention & control; D004945:Esophagoscopy; D004947:Esophagus / Q000033:anatomy & histology / Q000502:physiology; D005764:Gastroesophageal Reflux / Q000150:complications*; D006801:Humans; D008403:Mass Screening