title: Osteosarcoma: the contribution of radiotherapy.
mesh_terms: D000671:Amputation, Surgical; D001859:Bone Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D004530:Egg Yolk; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000517:prevention & control; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000532:radiotherapy* / Q000601:surgery; D010100:Oxygen; D010166:Palliative Care; D011882:Radiotherapy, High-Energy
chemical_list: D010100:Oxygen