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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Most common malignant bone tumor
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The correct answer is  Primary bone tumors are considerably less common than bone metastases from other primary sites; metastatic disease is discussed at the end of this section. Primary bone tumors exhibit great morphologic diversity and clinical behaviors--from benign to aggressively malignant. ref : Robbins Basic Pathology, 9E,page-774