Hiatus hernia.
D000368:Aged; D006548:Hernia, Diaphragmatic / Q000145:classification / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000473:pathology / Q000628:therapy; D006551:Hernia, Hiatal / Q000145:classification / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000473:pathology / Q000628:therapy; D006801:Humans; D007223:Infant; D008875:Middle Aged