Fig. 3From: A new nomogram and risk classification system for predicting survival in small cell lung cancer patients diagnosed with brain metastasis: a large population-based studySurvival curves of high-and low-risk groups in each cohort. a Survival curves of high-risk group and low-risk group in the total cohort. b Survival curves of high-risk group and low-risk group in the training cohort. c Survival curves of high-risk group and low-risk group in the validation cohortBack to article page