BRCA1 and metastatic malignant neoplasm in the lymph nodes: No statistically significant differences were observed between the BRCA1-like type and the sporadic type with regard to the preoperative tumor size, the presence or absence of lymph node metastasis, staging, the pCR rate (8/22, 36.4% vs. 7/18, 38.9%, respectively), or recurrence and survival rates (Table 2).