Here we have genotyped the CHEK2 mutations I157T and c.1100delC, the FANCM mutation p.Q1701X, the PALB2 mutation c.1592delT, the RAD51C mutations c.837+1G>A and c.93delG, and the RAD51D mutation c.576+1G>A in 68 male breast cancer patients. This evidence concerns the gene RAD51C and breast cancer.