Anatomy Right and left crus of diaphragm forms aoic hiatus. Which of the following structures are transmitted through the aoic hiatus? A Left gastric vein and thoracic duct B Thoracic duct and hemiazygos vein C Azygos vein and thoracic duct D Left vagus and thoracic duct 💡 Explanation Right and left crus of diaphragm forms aoic hiatus. Which of the following structures are transmitted through the aoic hiatus? ✓ Correct Answer: C. Azygos vein and thoracic duct