Fig. 4From: A prognostic nomogram for the cancer-specific survival of patients with upper-tract urothelial carcinoma based on the Surveillance, Epidemiology, and End Results DatabaseCalibration curves. Calibration curves for 3-, 5-, and 8-years cancer specific survival probability depict the calibration of each model in terms of the agreement between the predicted probabilities and observed outcomes of the training cohort (a, b, c) and validation cohort (d, e, f)Back to article page