On Dec 5, 2016, we did another PubMed search for studies of patients who carried a BRCA1 or BRCA2 mutation and their prognosis, using the following search terms: “(BRCA) AND (survival or prognosis or outcome or mortality) AND (breast neoplasms or breast neoplasm or breast cancer or breast tumour)”. The gene discussed is BRCA1; the disease is breast cancer.