Osteosarcoma is that the uncontrolled growth of abnormal cells in bone. Although it's the foremost common sort of bone cancer, it's rare.Osteosarcoma typically appears as a mass of abnormal bone in an arm or leg, usually near the knee or shoulder. Less often, the tumor develops within the pelvic bones, jaw, or ribs. It rarely develops within the fingers or toes. Good nutrition is vital for health, and it's even more so when you're fighting bone cancer...