Biallelic mutations of some of these hereditary breast cancer susceptibility genes, namely BRCA2/FANCD1, BRIP1/FANCJ, PALB2/FANCN and RAD51C/FANCO, have been identified in patients with Fanconi anemia (FA, [MIM 227650]) [6]. This evidence concerns the gene BRCA2 and Fanconi anemia.