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
Classification system of bone tumors is -
assistant
The correct answer is  According to Ennecking staging of benign tumors Stage 1-latent Stage2-active Stage3-inactive REF : MAHESWARI 9TH ED