Fig. 2From: The role of lymph node dissection in intrahepatic cholangiocarcinoma: a multicenter retrospective studynLND vs. LND. a The OS without adjustment; b The DFS without adjustment; c The IPTW-adjusted OS; d The IPTW-adjusted DFS. There was a statistical difference in prognosis between the two groups, which was corrected after adjustment.Back to article page