Four recurrent BRCA1 mutations (c.3780_3781delAG, c.5154G > A, c.5468-1del8 and c.5470_5477del8) and two recurrent BRCA2 mutations (c.3109C > T and c.5682C > G) were identified in unrelated breast cancer patients. This evidence concerns the gene BRCA2 and breast carcinoma.