The RAD51-FFPE test showed a high sensitivity to identify HRD BC samples as defined by the RECAP test (RECAP-HRD) as seven out of the eight RECAP-HRD BC samples were identified as HRD by the RAD51-FFPE test, including two samples with a BRCA1/2 PV (Figs. 2 and 4, Suppl. Here, BRCA1 is linked to breast cancer.