Surgical significance of the lower esophageal ring.
D000328:Adult; D000368:Aged; D004935:Esophageal Diseases / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D004941:Esophagitis / Q000150:complications; D001068:Feeding and Eating Disorders / Q000209:etiology; D005260:Female; D006356:Heartburn / Q000209:etiology; D006548:Hernia, Diaphragmatic / Q000150:complications; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013270:Stomach / Q000503:physiopathology