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': 'The sarcoma which has equal propensity for maxilla and mandible is: \nSelect and explain. \nA. Fibrosarcoma, B. Osteosarcoma, C. Ewing’s sarcoma, D. Chondrosarcoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Chondrosarcomas\xa0are\xa0unusual\xa0in\xa0the\xa0facial\xa0bones, accounting for about 10% of all cases. They occur in the mandible\xa0and maxilla with equal frequency. Maxillary lesions typically occur in the anterior region in areas where cartilaginous tissues may be present in the maxilla. Mandibular lesions occur in the coronoid process,\xa0condylar\xa0head\xa0and\xa0neck,\xa0and occasionally the symphyseal region.\nOral radiology White and Pharaoh; 7th ed. Page no 440', 'role': 'assistant'}]