TP53 and ataxia telangiectasia: In addition, heterozygous ATM missense variants (rs551411717 and rs587782298) in two ovarian cancer patients and a heterozygous TP53 missense variant (rs201382018) in two patients, which might be causative mutations of ataxia-telangiectasia (A-T, OMIM: 607585) and Li-Fraumeni syndrome (OMIM: 191170), respectively, were detected (Table 2).