CONTRACTION rings associated with gross hiatal herniation; a roentgen method for the detection and measurement of minimal esophageal structures.
D004194:Disease; D004935:Esophageal Diseases; D004947:Esophagus; D006547:Hernia; D006548:Hernia, Diaphragmatic; D006801:Humans
ESOPHAGUS/diseases; HERNIA, DIAPHRAGMATIC/manifestations