What is osteosarcoma?

Osteosarcoma is a cancer that occurs when certain cells in the bones grow out of control and form a lump called a tumor. Osteosarcoma can occur at any time and at any age, but it’s most common in children and young adults. Osteosarcoma in adolescents usually happens in bones that are rapidly growing, like the bones in the legs or arms. In some people, cancer cells leave the bone and travel through the bloodstream to other parts of the body, like the lungs.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.