Additional file 1: Table S1. Baseline tumor markers and inflammation index of patients with colorectal cancer. Fig. S1. Coefficients deviance of the LASSO analysis. Fig. S2. A, B, C X-tile analysis on the optimal cutoff points of NSAP. Fig. S3. A Kaplan-Meier curves for disease-free survival of CRC patients. according to the stage; B according to alpha-fetoprotein (AFP); C according to carcinoembryonic antigen (CEA). Fig. S4. A Calibration curve of nomogram of 1-Year DFS. B Calibration curve of nomogram of 2-Year DFS.