LGALS3 and metastatic malignant neoplasm in the lymph nodes: The serum levels of Galectin-3 with lymph node metastasis were significantly higher than those of patients without lymph node metastasis (P < 0.01), and N2 lymph node metastasis had higher levels of serum Galectin-3 than those of N1 lymph node metastasis (P < 0.01).