Fig. 9From: Risk factors for metastasis and poor prognosis of Ewing sarcoma: a population based studyExternal validation calibration plot for nomograms. a–f The graphs show the calibration plots for external validation of a 1-year, b 3-year, and c 5-year overall survival. d 1-year, e 3-year, and f 5-year cancer-specific survivalBack to article page