HSD17B14 and breast carcinoma: Interestingly, two cases with RAD51C duplication were double carriers of the currently investigated CNVs: Her6 (breast cancer at 28 years) had both the RAD51C duplication and RAD52 delins/Tyr415Ter variants, while Uns38 (breast cancer at 65 years) had both the RAD51C duplication and HSD17B14 deletion.