This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'The last tributary of the azygos vein is \nSelect and explain. \nA. Right superior intercostal vein, B. Hemi-azygos vein, C. Right bronchial vein, D. Accessory azygos vein', 'role': 'user'}, {'content': "Answer: C \nExplanation: Right bronchial vein near the terminal end of azygos vein. BD CHAURASIA'S HUMAN ANATOMY VOLUME 1. 6TH Edition. page no-224", 'role': 'assistant'}]