Fig. 2

The Kaplan–Meier curves of recurrence‐free survival (A) and overall survival (B) according to preoperative level of fibrinogen-to-prealbumin ratio in the whole cohort before propensity score matching analysis; The Kaplan–Meier curves of recurrence‐free survival (C) and overall survival (D) according to preoperative level of fibrinogen-to-prealbumin ratio in the whole cohort after propensity score matching analysis