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': 'Burger disease is - \nSelect and explain. \nA. Migratory thrombophlebitis, B. Thrombangitis obliterans, C. Superficial thrombophlebitis, D. Causalgia', 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer- B. Thrombangitis obliteransBuerger's disease is also known as thrombangitis obliterans.Buergers disease is characterized by occlusive disease of the small and medium sized aeries.", 'role': 'assistant'}]