Hiatus hernia.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004942:Esophagitis, Peptic / Q000453:epidemiology; D005260:Female; D006548:Hernia, Diaphragmatic / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000601:surgery / Q000628:therapy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011859:Radiography