A: The variant NC_000020.11:g.33443402C>G in gene SNTA1 is classified as 'Likely_benign' for not_specified|Long_QT_syndrome|Cardiovascular_phenotype. Molecular consequence: SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN169374|MONDO:MONDO:0002442,MeSH:D008133,MedGen:C0023976|MedGen:CN230736. Review status: criteria provided, multiple submitters, no conflicts.