STRIP2 and metastatic malignant neoplasm in the lymph nodes: Further correlation analysis demonstrated that higher STRIP2 levels were correlated with clinicopathological features of patients with NSCLC including poor tumor differentiation (P = 0.041), advanced TNM stage (P = 0.038), positive of lymph node metastasis (P = 0.026) and positive of cancer thrombus (P = 0.045) (Table S1).