MKI67 and neoplasm: For the RFI, the significant prognostic factors included the tumor size (HR: 1.032, 95% CI: 1.010–1.054, p = 0.004), Ki67 (HR: 1.020, 95% CI: 1.000–1.039, p = 0.046), N1 status (HR: 29.767, 95% CI: 3.013–294.085, p = 0.004), N2 status (HR: 24.332, 95% CI: 1.412–419.289, p = 0.028), and NPI (HR: 2.450, 95% CI: 1.667–3.602, p < 0.001) (Table 4).