Hereditary Breast and Ovarian Cancer SyndromeOvarian NeoplasmsGenes, BRCA1BRCA2 ProteinBRCA1 ProteinGenes, BRCA2Neoplastic Syndromes, HereditaryGenetic TestingGenetic CounselingGerm-Line MutationSyndromeBreast NeoplasmsPedigreeGenes, DominantGenetic Predisposition to DiseaseBreastMutationHeterozygotePolycystic Kidney, Autosomal DominantDNA Mutational AnalysisNeoplasm ProteinsNeoplasms, Glandular and EpithelialFounder EffectFamily HealthBreast Neoplasms, MaleGenetic LinkageAge of OnsetColorectal Neoplasms, Hereditary NonpolyposisGene Expression Regulation, Neoplasticvon Hippel-Lindau DiseaseRisk FactorsCell Line, TumorExonsCarcinoma, Ductal, BreastDNA, NeoplasmMastectomyPhenotypeBreast Diseases