Fig. 2

The three-gene scoring system stratified overall survival (OS) after liver resection
Score = the number of the genes (RAS, SMAD4, and APC) with a deleterious status = 1 point (if RAS is mutated) + 1 point (if SMAD4 is mutated) + 1 point (if APC is wild-type). Kaplan–Meier analysis of OS by the three-gene scoring system in 519 Chinese patients with colorectal liver metastases (CRLM) undergoing liver resection