Figure 5. Prognostic nomograms with or without FPR for predicting survival of mCRC patient. (a) nomogram including FPR for predicting 3 years’ PFS; (b) nomogram without FPR for predicting 3 years’ PFS; (c) nomogram including FPR for predicting 3 years’ OS; (d) nomogram without FPR for predicting 3 years’ OS.