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 the "Aoic Hiatus" of the diaphragm? \nSelect and explain. \nA. Inferior vena cava, B. Oesophagus, C. Vagus nerve, D. Azygos vein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Azygos vein', 'role': 'assistant'}]