Fig. 4From: The role of lymph node dissection in intrahepatic cholangiocarcinoma: a multicenter retrospective studyThe stratified analysis on LND number. The LND > 6 group was on the top (a, b). a The OS of LNM number in LND > 6 group; b The DFS of LNM number in LND > 6 group; c The OS of number in LND = < 6 group; d The DFS of number in LND = < 6 groupBack to article page