Anatomy All of the following structures pass through aoic opening in the diaphragm, EXCEPT : A Azygos vein B Rt. phrenic nerve C Thoracic duct D Accessory Hemiazygos vein 💡 Explanation All of the following structures pass through aoic opening in the diaphragm, EXCEPT : ✓ Correct Answer: B. Rt. phrenic nerve