Among these 91 patients, RUFY3 or FOXK1 expression in tumour samples was found to be significantly correlated with tumour differentiation, AJCC, lymph node metastasis, TNM stage and serosel invasion; however, it was not correlated with gender, age, location or tumor size (Supplementary Table 2). This evidence concerns the gene FOXK1 and metastatic malignant neoplasm in the lymph nodes.