In a subgroup analysis of patients with and without lymph node metastases, there were no significant differences in Cx43 and NEDD9 expression in patients without lymph node metastases, but patients with lymph node metastases showed higher expression of epithelial NEDD9 (Table 4 and Figure 2). This evidence concerns the gene NEDD9 and metastatic malignant neoplasm in the lymph nodes.