Fig. 5From: Prospective study of 11C–methionine PET for distinguishing between recurrent brain metastases and radiation necrosis: limitations of diagnostic accuracy and long-term results of salvage treatmentKaplan –Meier curves showing the survival estimates for patients with LR (dotted line) and RN (solid line) according to MET-PET diagnosis. The median survival times in the LR and RN groups based on MET-PET diagnosis were 14.8 months (95% CI: 8.4 – NR) and 35.1 months (95% CI: 26.9 –NR), respectively (P = 0.035, log-rank test)Back to article page