Primary adenocarcinoma of the mid-esophagus arising in ectopic gastric mucosa with associated hiatal hernia and reflux esophagitis (Dawson's syndrome).
D000230:Adenocarcinoma / Q000473:pathology; D000368:Aged; D004938:Esophageal Neoplasms / Q000473:pathology; D005764:Gastroesophageal Reflux; D006548:Hernia, Diaphragmatic; D006801:Humans; D008297:Male; D013274:Stomach Neoplasms / Q000473:pathology