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: Pathology
[{'content': "A 30 year old patient with radiographic appearance of endosteal bone formation, sclerosed bone is likely to be suffered from? \nSelect and explain. \nA. Garre's osteomyelitis, B. Chronic focaL sclerosing osteomyelitis, C. Acute osteomyelitis, D. Chronic osteomyelitis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]