LINC01615 and metastatic malignant neoplasm in the lymph nodes: The expression of linc02544 was further analyzed in the tissues of patients with lymph node metastasis (LNM) and without lymph node metastasis (non-LNM), and the results indicated that linc02544 expression levels were higher in LNM tissues than non-LNM tissues (P < 0.001; Fig. 1B).