Hereditary Breast and Ovarian Cancer SyndromeOvarian NeoplasmsGenes, BRCA1BRCA2 ProteinGenes, BRCA2BRCA1 ProteinGerm-Line MutationNeoplastic Syndromes, HereditaryGenetic TestingGenetic CounselingSyndromeBreast NeoplasmsPedigreeGenes, DominantGenetic Predisposition to DiseaseMutationBreastDNA Mutational AnalysisHeterozygotePolycystic Kidney, Autosomal DominantNeoplasm ProteinsFounder EffectFamily HealthNeoplasms, Glandular and EpithelialBreast Neoplasms, MaleAge of OnsetGenetic LinkageColorectal Neoplasms, Hereditary NonpolyposisGene Expression Regulation, Neoplasticvon Hippel-Lindau DiseaseExonsHamartoma Syndrome, MultiplePhenotypeDNA, NeoplasmRisk FactorsCell Line, TumorGenotypeCarcinoma, Ductal, BreastFamilyPolymerase Chain ReactionMutation, MissenseMastectomyBreast Diseases