A: The variant NC_000021.9:g.34792360G>A in gene RUNX1 is classified as 'Uncertain_significance' for not_specified|Hereditary_thrombocytopenia_and_hematologic_cancer_predisposition_syndrome. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN169374|MONDO:MONDO:0011071,MedGen:CN281654,Orphanet:71290. Review status: reviewed by expert panel.