RAD51C and hypoparathyroidism-retardation-dysmorphism syndrome: Gene alterations occurring in other homologous recombinant associated genes, such as PALB2 (Tischkowitz et al., 2007; Thomas and Brown, 2015) and RAD51C/D (Kondrashova et al., 2017; Polak et al., 2017), have been linked to the HRD phenotype.