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: Surgery
In young person most common cancer among following is: 
Select and explain. 
A. Giant cell, B. Osteosarcoma, C. Chondrosarcoma, D. Ewing sarcoma
B: Osteosarcoma
Answer: B: Osteosarcoma 
Explanation: Ans. b. OsteosarcomaOsteosarcoma is the second most common tumour.These tumours occur b/w the ages of 15-25 years, constituting the commonest musculo-skeletal tumour at that age