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
Answer is C. The aoic hiatus is the opening posterior in the diaphragm for the descending aoa. It also transmits the thoracic duct and azygos vein and sometimes the hemiazygos vein.