Invagination of the stomach into the esophagus in a dog.
D000818:Animals; D004936:Diverticulum, Esophageal / Q000209:etiology / Q000662:veterinary; D004283:Dog Diseases; D004285:Dogs; D004935:Esophageal Diseases / Q000662:veterinary*; D005764:Gastroesophageal Reflux / Q000150:complications / Q000662:veterinary; D006547:Hernia / Q000662:veterinary*; D013272:Stomach Diseases / Q000662:veterinary*