VIRMA and metastatic malignant neoplasm in the lymph nodes: In the univariate model, age (HR = 1.513; p = 0.003), sex (HR = 0.755; p = 0.046), smoking (HR = 0.009; p = 0.009), tumor length (HR = 2.557; p < 0.001), tumor differentiation (HR = 1.758; p < 0.001), T stage (HR = 1.919; p < 0.001), lymph node metastasis (HR = 2.755; p < 0.001), TNM stage (HR = 3.347; p < 0.001) and KIAA1429 expression (HR = 1.577; p = 0.001) were all significantly correlated with OS.