TIMP1 and metastatic malignant neoplasm in the lymph nodes: The results showed that elevated TIMP-1 levels were significantly associated with lymph node metastasis (N1/N2/N3 vs N0, OR = 2.92, 95% CI [1.95–4.38]) and higher TNM stages (III/IV vs I/II, OR = 2.73, 95% CI [1.23–6.04]).