A: The variant NC_000022.11:g.28694066_28694077del in gene CHEK2 is classified as 'Conflicting_classifications_of_pathogenicity' for Familial_cancer_of_breast|CHEK2-related_disorder|not_provided|Hereditary_cancer-predisposing_syndrome. Variant type: Deletion. Disease database links: MONDO:MONDO:0016419,MedGen:C0346153,OMIM:114480,Orphanet:227535|.|MedGen:C3661900|MONDO:MONDO:0015356,MeSH:D009386,MedGen:C0027672,Orphanet:140162. Review status: criteria provided, conflicting classifications.