Symptomatic congenital ectopic gastric mucosa in the upper esophagus.
D000328:Adult; D002828:Choristoma / Q000151:congenital / Q000000981:diagnostic imaging*; D003680:Deglutition Disorders / Q000209:etiology; D004938:Esophageal Neoplasms / Q000151:congenital / Q000000981:diagnostic imaging*; D005753:Gastric Mucosa; D006801:Humans; D008297:Male; D011859:Radiography