Fig. 2From: Effects of portal vein resection and hepatic artery resection on long-term survival in Klatskin tumor: a meta-analysisThe analyses of OS, RFS, and DFS with the indictor of HR with 95% Cl. A The effects of PVR and HAR on the OS of hilar cholangiocarcinoma patients. B The effects of PVR and HAR on RFS. C The funnel plot of OS for vascular resection (Including PVR and HAR). D The funnel plot of OS for PVR. E The funnel plot of OS for HARBack to article page