A: The variant NC_000020.11:g.18542289C>T in gene SEC23B is classified as 'Benign' for Congenital_dyserythropoietic_anemia,_type_II|Cowden_syndrome_7|not_specified|not_provided. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MONDO:MONDO:0009134,MedGen:C1306589,OMIM:224100,Orphanet:98873|MONDO:MONDO:0014802,MedGen:C4225179,OMIM:616858,Orphanet:201|MedGen:CN169374|MedGen:C3661900. Review status: criteria provided, multiple submitters, no conflicts.