Abstract:10600 Background: Blood or saliva DNA generally considered to be representative of germline genome in genetic cancer risk assessment. However white blood cells from these samples may also include somatic origin DNA due to postzygotic variation or, most commonly, clonal hematopoiesis (CH). Low variant allele fraction (VAF) found in germline genetic testing suggest the possibility of somatic variant and may lead to misinterpretation of genetic risk. TP53, of which germline pathogenic variants are associated wit… Show more
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