Osteosarcoma HP:0002669 UMLS:C0029463 Bone cell cancer Osteogenic sarcoma A malignant bone tumor that usually develops during adolescence and usually affects the long bones including the tibia, femur, and humerus. The typical symptoms of osteosarcoma comprise bone pain, fracture, limitation of motion, and tenderness or swelling at the site of the tumor. SNOMEDCT_US:307576001 SNOMEDCT_US:21708004 NCIT:C9145 Neoplasm of the skeletal system Sarcoma