Invagination of the esophagus in hiatus hernia.
D003964:Diaphragm; D004194:Disease; D004935:Esophageal Diseases; D004947:Esophagus; D006548:Hernia, Diaphragmatic / Q000150:complications*; D006551:Hernia, Hiatal
ESOPHAGUS/diseases; HERNIA, DIAPHRAGMATIC/complications