[Lower esophageal ring (Schatzki's ring)].
D004940:Esophageal Stenosis / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D006548:Hernia, Diaphragmatic / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography
Diaphragme oesophagique inférieur (anneau de Schatzki)