This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'Which of the following structures pass through aoic hiatus? \nSelect and explain. \nA. Thoracic duct and azygos vein, B. Thoracic duct and gastric aery, C. Vagus nerve with oesophagus, D. Aorla with oesophagus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The aoic hiatus situated at the level of T12 veebra. Structures passing through aoic hiatus along with aoa are:Thoracic ductAzygos veinHemiazygos vein', 'role': 'assistant'}]