Chondrosarcoma is a type of cancer that affects the cartilage. It is a rare type of cancer that usually develops in the bones of the arms, legs, pelvis, or shoulder blades. It can also occur in the soft tissues of the body, such as the nose, larynx, and trachea. Symptoms of chondrosarcoma include pain, swelling, and difficulty moving the affected area. Treatment options include surgery, radiation therapy, and chemotherapy.