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: Orthopaedics
[{'content': 'False about chronic osteomyelitis \nSelect and explain. \nA. RIM sign on MRI, B. Leads to Amyloidosis, C. Ciemy  and mader classification, D. Negative pressure wound therapy uses a pressure of -60 mmHg', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Negative pressure wound therapy / vaccum assisted closure uses pressure between -75 to -125 mmHg', 'role': 'assistant'}]