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Nomogram and internal calibration for cancer-specific survival rate. (A) Nomogram to predict 5- and 8-year CSS rates of low-grade brainstem glioma patients. The internal calibration curve to predict 5-year CSS rate in training cohort (B) and validation cohort (C). The internal calibration curve to predict 8-year CSS rate in training cohort (D) and validation cohort (E).
