BONE CANCER IN PIMPRI CHINCHWAD Bone cancer is a growth of cells that starts in a bone. Bone cancer can start in any bone. But it most often affects the thighbone. The term "bone cancer" doesn't include cancer that starts in another part of the body and spreads to the bones. Instead, cancer that spreads to the bone is named for the place it began. Bone cancer is rare and includes several types. Some bone cancers, including osteosarcoma and Ewing sarcoma, are seen most often in children and young adults.