Fig. 3From: Perineural invasion affects prognosis of patients undergoing colorectal cancer surgery: a propensity score matching analysisThe effect of PNI on OS and DFS ofKRASwild-type and mutant. The Kaplan-Meier survival curves of the effect of PNI on OS(A) and DFS(B) of KRAS wild-type. The Kaplan-Meier survival curves of the effect of PNI on OS(C) and DFS(D) of KRAS mutantBack to article page