Not all enrolled studies fully recorded the correlation of KIF2A and KIF20A expression with clinicopathological features, and the main clinicopathological features in our meta-analysis included age, gender, clinical stage, differentiation grade, lymph node metastasis (LNM), and distant metastasis (DM) (Table 3). The gene discussed is KIF20A; the disease is metastatic malignant neoplasm in the lymph nodes.