NDRG2 and neoplasm: As shown in Figures 7A–C, tumor TNM stage and age, as well as the expression level of NDRG1 or NDRG2, were included in the nomogram to predict OS (C-index: 0.676, Figure 7A), DSS (C-index: 0.741, Figure 7B) and PFI (C-index: 0.630, Figure 7C).