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': 'Inferior most structure of right hilium is \nSelect and explain. \nA. Bronchus, B. Inferior pulmonary vein, C. Pulmonary aery, D. Inferior bronchial vein', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Superior pulmonary vein is the anterior most and inferior pulmonary vein is the inferior most structures of both lung hiliumQ.Upper most structure of hilum (root) of lung is pulmonary aery (left side)Q and epaerial (superior lobar) bronchus (on right side) Q.', 'role': 'assistant'}]