TACSTD2 and metastatic malignant neoplasm in the lymph nodes: High expression of Trop-2 was related to increased histologic grade (p = 0.002), P53 status (p = 0.004), cyclin D1 status (p < 0.01), lymph node metastasis (p < 0.01), distant metastasis p = 0.004) and more advanced TNM staging (p < 0.01).