ZNF326 and metastatic malignant neoplasm in the lymph nodes: As shown in Table 1, lncRNA 604 expression had a significant positive association with lymph node metastasis, TNM stage and distant metastasis (all P < 0.001); miRNA 564 expression was significantly associated with depth of invasion, lymph node metastasis, TNM stage (all P < 0.001) and distant metastasis (P < 0.05); ZNF326 expression was significantly associated with age (P < 0.05), pathological classification, depth of invasion, lymph node metastasis, and TNM stage (all P < 0.001).