A: The variant NC_000019.10:g.39500597C>G in gene DLL3 is classified as 'Benign' for not_specified|Spondylocostal_dysostosis_1,_autosomal_recessive|not_provided. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:CN169374|MONDO:MONDO:0020692,MedGen:CN032975,OMIM:277300,Orphanet:2311|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.