Fig. 1From: Comparison of the sixth and the seventh editions of the UICC classification for intrahepatic cholangiocarcinomaComparison of survival prediction (n = 98) after surgery using the sixth (left) and seventh (right) editions of the UICC tumor classification. Kaplan–Meier analysis was based on tumor stage (a) T category, (b) N category, (c) and M category. (d) Significant survival differences (p values) were assessed using the log-rank testBack to article page