BRCA2 and breast cancer: Furthermore, the biological pathways ‘Role of BRCA1, BRCA2 and ATR in Cancer Susceptibility’ and ‘Breast Cancer’ were found in the top enriched terms for NA and SA regions with a p of 1.074×10−8 (2.09×10−10) and 2.804×10−5 (2.69×10−3), respectively.