What is chondrosarcoma?
A person with chondrosarcoma has a growth of abnormal cells in the bone that multiply out of control. These cells can form tumors and spread to other parts of the body. Chondrosarcoma is a rare cause of primary bone cancer. The cause of chondrosarcoma is unknown, but genetics may play a role in determining risk.

What are the symptoms of chondrosarcoma?
The most common symptom of chondrosarcoma is a dull, deep, bone pain that is worse at night. Additional symptoms of chondrosarcoma may include bone swelling, joint stiffness, leg pain, knee pain, and a limp.

How does the doctor treat chondrosarcoma?
Treatment for chondrosarcoma may include surgery, chemotherapy, and radiation therapy.