A
chondrosarcoma is a type of
cancer[1] of the
cartilage. Chondrosarcoma is a cartilage-based tumor and is in a category of cancers called
sarcomas. About 25% of primary bone cancers (meaning those which start in the bone) are chondrosarcomas. This disease can affect people or animals of any age, although it is more common among older people than among children.