Fig. 1

Examination findings when the patient complained of vomiting. a A dilated gastric tube is visible in the thoracic cavity on chest X-ray. b Contrast medium is retained in the thoracic part of the gastric tube on fluoroscopy. c On upper gastrointestinal endoscopy, deflection and torsion of the gastric tube is visible at the site of the thoracoabdominal transition. d On CT, a severely dilated gastric tube is visible in the thoracic cavity with a stricture (yellow circle). CT computed tomography