A: The variant NC_000021.9:g.34880388C>T in gene RUNX1 is classified as 'Benign' for not_provided|Hereditary_thrombocytopenia_and_hematologic_cancer_predisposition_syndrome. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0011071,MedGen:CN281654,Orphanet:71290. Review status: reviewed by expert panel.