Barrett's esophagus in a patient with surgically tested achalasia.
D000328:Adult; D001471:Barrett Esophagus / Q000209:etiology* / Q000473:pathology / Q000601:surgery; D004931:Esophageal Achalasia / Q000601:surgery*; D004935:Esophageal Diseases / Q000209:etiology*; D005764:Gastroesophageal Reflux / Q000150:complications; D006801:Humans; D008297:Male