This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: Orthopaedics
what is the cause of Most common bone cancer among young men is 
Select and explain. 
A. Chondrosarcoma, B. Ewing sarcoma, C. Osteosarcoma, D. Giant cell tumor
C: Osteosarcoma
Answer: C: Osteosarcoma 
Explanation: Most common bone tumor in young male ----Osteosarcoma Refer Maheshwari 9th/e p 239