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': 'Structure not passing through the esophageal hiatus - \nSelect and explain. \nA. Left phrenic nerve, B. Right vagus nerve, C. Left vagus nerve, D. Left gastric artery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Oesophageal opening\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Level- T10\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 At muscular portion derived from right crus\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Structures transmitted\n\nOesophagus\nOesophageal branch of the left gastric artery\nVagus nerve', 'role': 'assistant'}]