The columnar-lined esophagus (Barrett syndrome)--an acquired condition?
D000293:Adolescent; D004848:Epithelium / Q000473:pathology*; D004940:Esophageal Stenosis / Q000473:pathology; D004941:Esophagitis / Q000209:etiology*; D004942:Esophagitis, Peptic / Q000209:etiology; D006548:Hernia, Diaphragmatic / Q000209:etiology*; D006801:Humans; D008297:Male