Fig. 2From: Better survival in right-sided versus left-sided stage I - III colon cancer patientsKaplan-Meier curves for overall and cancer-specific survival. Panel (a and b) depict the overall and cancer-specific survival in the original data set and panel (c and d) the overall and cancer-specific survival after propensity score matching. The number of colon cancer patients at risk are given below each plotBack to article page