Chondrosarcoma is a type of cancer. It grows in cartilage cells in the body. Cartilage is connective tissue.

This cancer is typically found in the cartilage cells of the femur, arm, pelvis, knee, and spine. Rarely, the ribs and other areas may also be affected.

Cancer occurs when cells in the body divide without control or order. If cells keep dividing uncontrollably, a mass of tissue forms. This is called a growth or tumor. The term cancer refers to malignant tumors. They can invade nearby tissue and spread to other parts of the body.

Cartilage
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The cause of this cancer is not fully known. Some cases may be due to genetics.