Bone cancer is a type of cancer that starts in the cells of the bones. It is a rare type of cancer, accounting for only 2% of all cancers. Bone cancer can occur in any bone in the body, but it most commonly affects the long bones of the arms and legs. There are several types of bone cancer, the most common of which are osteosarcoma and chondrosarcoma. Osteosarcoma is the most common type of bone cancer in children, while chondrosarcoma is more common in adults. Bone cancer can be difficult to treat, as it often spreads to other parts of the body. Treatment options may include surgery, radiation therapy, and chemotherapy. In conclusion, bone cancer is a serious disease that can be difficult to treat. If you or someone you know has bone cancer, it is important to get treatment as soon as possible. There are several types of bone cancer, and the most common treatments are surgery, radiation therapy, and chemotherapy.