The cancer cells have spread from the bone in which the cancer began to other parts of the body. Osteosarcoma most often spreads to the lungs. It may also spread to other bones. Recurrent The cancer has come back after it has been treated. The most common place for metastases to occur are in the lungs and other bones.
Progressive disease refers to a tumor that continues to grow despite treatment.
Treatment Treatment and prognosis depends on the stage of the disease, where it is found, and the patient's age and general health. Localized Osteosarcoma Chemotherapy is given initially to shrink the tumor. After 2-3 months, definitive surgery is performed. The latter refers to a surgical removal of the affected bones, which is replaced by a metal prosthesis or by bone from elsewhere in the body or from a cadaver. After the surgery, chemotherapy is given for another 3-5 months.