A: The variant NC_000020.11:g.63693231T>C in gene RTEL1 is classified as 'Likely_benign' for Inborn_genetic_diseases|not_provided|Dyskeratosis_congenita,_autosomal_recessive_5|Pulmonary_fibrosis_and/or_bone_marrow_failure,_Telomere-related,_3|Dyskeratosis_congenita|not_specified|RTEL1-related_disorder. Molecular consequence: SO:0001619: non-coding_transcript_variant,SO:0001819: synonymous_variant. Variant type: single_nucleotide_variant. Disease database links: MeSH:D030342,MedGen:C0950123|MedGen:C3661900|MONDO:MONDO:0014076,MedGen:C3554656,OMIM:615190|MONDO:MONDO:0014613,MedGen:C4225346,OMIM:616373,Orphanet:2032|MONDO:MONDO:0015780,MedGen:C0265965,OMIM:PS127550,Orphanet:1775|MedGen:CN169374|.. Review status: criteria provided, multiple submitters, no conflicts.