system
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.
user
Peak incidence of osteosarcoma occurs at:-
assistant
The correct answer is  * The most common bone tumor of 1st decade is Ewing's sarcoma.* The most common bone tumor of 2nd decade is osteosarcoma.* Both osteosarcoma and Ewing's sarcoma peak in 2nd decade (10-20 years of age).