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': 'Which soft tissue sarcoma commonly gives to bone secondarya) Fibrosarcomab) Liposarcomac) Osteosarcomad) Neurofibromae) Synovial sarcoma \nSelect and explain. \nA. ab, B. ad, C. be, D. ce', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Soft tissue sarcoma metastasing to bone are : -\n\n\nAlveolar soft \xa0part sarcoma\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\nLiposarcoma\nAngiosarcoma\nRhabdomyosarcoma\nSynovial cell sarcoma\xa0\n\n\nOsteosarcoma can metastasize to bone; However, it is a bone tumor (question has been specifically asked for soft tissue sarcoma).', 'role': 'assistant'}]