There are two types of bone cancers, primary and secondary. This topic will provide information on primary bone cancer. Primary bone cancer is rare.
Some types affect young people, while others affect adults.
Adult bone cancer usually occurs in the trunk or the legs, and is most commonly seen in men. It usually affects the knee or leg bones. If it spreads, it most often goes to the lungs. Previous exposure to radiation has been shown to increase the risk for this cancer. Ewing's Sarcoma is also seen mostly in young people between the ages of 3 and 25.