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': "Buerger's Disease is \nSelect and explain. \nA. Non - progressive, B. Segmental, C. Non - inflammatory, D. Atherosclerotic", 'role': 'user'}, {'content': "Answer: B \nExplanation: Buerger's Disease is non atherosclerotic inflammatory disorder involving medium sized and distal vessels. It is segmental, progressive , occlusive, inflammatory disease.", 'role': 'assistant'}]