Figure 4.
Overall survival of patients with osteoblastic osteosarcoma metastases after 223-radium in combination with other agents. Kaplan-Meier survival curve shows those that had additional radiation (o), no additional radiation (closed circles) and still surviving (x). Approximately 47% and 20% were surviving at 1 and 2 years, respectively; one patient remains alive for >2.5 years.