Reliable detection of Win98 may not be possible. It usually appears in teen guys, often during their growth spurt . Osteosarcoma affects twice as many guys as girls, and tends to show up in people who are taller than average. The same is true if a teen has received bone radiation treatments for other cancers. The most common symptoms of osteosarcoma are pain and swelling in an arm or leg that is sometimes accompanied by a lump.
Some people have more pain at night or when they exercise .
Osteosarcoma is most often found in the bones around the knee. Treatment depends upon the stage or level of osteosarcoma. Low-grade osteosarcoma is usually treated with surgery only. Intermediate-grade osteosarcoma usually requires surgery or a combination of surgery and chemotherapy. High-grade osteosarcoma generally requires surgery as well as chemotherapy.