Methotrexate Free Chemotherapy and Limb Salvage Surgery for Paediatric Osteosarcoma in India.

Background: Osteosarcoma (OS) is the most common primary malignant tumor of bone. The survival of OS patients has steadily improved from <20% in the early 20th century to around 70% with current treatment. There are very few studies in pediatric OS from India analyzing various aspects of the disease.