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: Surgery
[{'content': 'Chylothorax is common on right side because \nSelect and explain. \nA. Long course of thoracic duct towards right side, B. Presence of Liver on right side, C. Right lung has 3 lobes in contrast to left having 2 lobes, D. Due to megalymphatic congenital anomaly on right side', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chylothorax is common on right side because of long course of thoracic duct towards right side.', 'role': 'assistant'}]