Fig. 4From: Size and number of lymph nodes were risk factors of recurrence in stage II colorectal cancerKaplan-Meier analysis of RFS in the validation cohort. RFS according to SLNs (A); RFS according to NLNs (B); RFS according to integration of SLNs and NLNs (C). P values were obtained from the log-rank test and hazard ratio (HR) is calculated using GraphPad PrismBack to article page