[The Schatzki ring].
D000368:Aged; D003680:Deglutition Disorders / Q000209:etiology*; D003937:Diagnosis, Differential; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging; D004940:Esophageal Stenosis / Q000000981:diagnostic imaging*; D004945:Esophagoscopy; D005260:Female; D006548:Hernia, Diaphragmatic; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
L'anneau de Schatzki.