NLRP1 expression and clinic-pathological features of breast cancer patients were analyzed including age, tumor size, lymph node metastasis, histological grade, TNM stage, estrogen receptor (ER) status, progesterone receptor (PR) status, HER2 status, P53, and Ki-67. The gene discussed is NLRP1; the disease is metastatic malignant neoplasm in the lymph nodes.