BRCA1 and hyperinsulinemic hypoglycemia, familial, 4: Although our study did not cross-validate tumors’ BRCA1-like status using other genomic measures, a recent study reported a 70% concordance between the BRCA-like classifier and the functional DNA repair capacity assays (RECAP), as well as the whole-genome sequencing-based Classifier of HOmologous Recombination Deficiency (CHORD) assay [74].