Fig. 3From: Development and external validation of a nomogram for predicting the effect of tumor size on survival of patients with perihilar cholangiocarcinomaA nomogram predicting 1-,3- and 5-year CSS of patients with PCCA(a). Calibration curves for 1-, 3- and 5-year CSS (b, c, d) using nomogram with clinicopathological characteristics and tumor size are shown. External validation using calibration plots for predicting 1-, 3- and 5-year CSS of PCCA (e, f, g)Back to article page