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: Radiology
[{'content': 'Not a Epiphyseal tumors \nSelect and explain. \nA. Chondroblastoma, B. Osteoclastoma, C. Clear cell Chandrosarcoma, D. Simple bone Cyst', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Simple bone cyst (Unicameral bone cyst) is a Metaphyseal tumor.', 'role': 'assistant'}]