RAD51C and ovarian cancer: In addition, there were nine women with mutations in recently described ovarian cancer susceptibility genes, BRIP1, RAD51C, and RAD51D. 22 A personal history of ovarian cancer only was reported for only one case; furthermore, these mutation carriers were not statistically more likely to have a first-degree or second-degree relative with ovarian cancer compared to mutation-negative individuals (Table 4).