BRCA1 and hereditary cancer: Thus, we have included the analysis of 15 HR genes, which are frequently mutated in hereditary cancer (ATM, BARD1, BRCA1, BRCA2, BRIP1, CHEK1, CHEK2, MRE11A, NBN, PALB2, PTEN, RAD50, RAD51B, RAD51C, RAD51D).