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': "38 year old male with pain and tenderness in dorsolumbar junction. Radiograph shows destruction of 12th dorsal vertebra with loss of disc space between D12 and L1, most probable diagnosis \nSelect and explain. \nA. Trauma, B. Vertebral osteomyelitis, C. Pott's spine, D. Metastasis of carcinoma lung", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]