Fig. 2
From: Level of arterial ligation in sigmoid colon and rectal cancer surgery
Overall survival (OS) and relapse-free survival (RFS) rates of colon cancer patients by Kaplan-Meier analysis. a Kaplan-Meier survival curves for OS in all patients between both groups do not have a significant difference. b Kaplan-Meier survival curves for RFS in all patients between both groups do not have a significant difference. c Kaplan-Meier survival curves for OS in lymph node-positive patients between both groups do not have a significant difference. d Kaplan-Meier survival curves for RFS in lymph node-positive patients between both groups do not have a significant difference. (P < 0.05)