Furthermore, in a previous immunohistochemical study using 40 triple-negative breast cancer (TNBC) tissues, CCL5 immunoreactivity in peritumoral adipocytes was significantly correlated with lymph node metastasis, distant metastases and a worse prognosis in TNBC patients [14]. The gene discussed is CCL5; the disease is metastatic malignant neoplasm in the lymph nodes.