Figure 1From: Prognostic factors for survival and radiation necrosis after stereotactic radiosurgery alone or in combination with whole brain radiation therapy for 1–3 cerebral metastases Kaplan-Meier analysis of overall survival for RPA classes (p < 0.001), KPS (p < 0.001), volume (p = 0.002) and dose (p < 0.001). Back to article page