A: The variant NC_000020.11:g.23633981G>A in gene CST3 is classified as 'Conflicting_classifications_of_pathogenicity' for not_provided|Hereditary_cerebral_amyloid_angiopathy,_Icelandic_type. Molecular consequence: SO:0001587: nonsense. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|MONDO:MONDO:0007098,MedGen:C1527338,OMIM:105150,Orphanet:100008,Orphanet:85458. Review status: criteria provided, conflicting classifications.