Neoplasms, Multiple PrimaryPoint MutationNeoplasms, Second PrimaryGerm-Line MutationMutation, MissenseMutationSkin NeoplasmsAdenomatosis, PulmonaryLi-Fraumeni SyndromePedigreePaget's Disease, MammaryMelanomaNeoplastic Syndromes, HereditaryFrameshift MutationDNA Mutational AnalysisLung NeoplasmsExonsGenes, p53Genes, p16Gastrointestinal NeoplasmsSoft Tissue NeoplasmsGenetic Predisposition to DiseaseBreast NeoplasmsOsteosarcomaColonic NeoplasmsRegistriesSarcomaCarcinoma, Squamous CellAdenocarcinomaPancreatic NeoplasmsHead and Neck NeoplasmsRiskNeoplasmsPrognosisMutation RateIncidenceBase SequenceNeoplasm StagingTumor Suppressor Protein p53HeterozygoteAmino Acid SubstitutionPolymerase Chain ReactionRetrospective StudiesNeoplasms, Cystic, Mucinous, and SerousRisk FactorsMolecular Sequence DataAllelesPolymorphism, Single-Stranded ConformationalTime FactorsDNA, NeoplasmFollow-Up StudiesMutagenesis, Site-DirectedAmino Acid SequenceGenotypeHomozygoteCodon, NonsenseSequence Analysis, DNAMutagenesisKidney NeoplasmsGenes, RecessiveMyeloproliferative DisordersThyroid NeoplasmsSequence DeletionGenetic TestingPhenotypeImmunohistochemistryOvarian NeoplasmsDNA PrimersGenes, DominantProtein Structure, TertiaryChromosome MappingAdenocarcinoma, MucinousEscherichia coliSuppression, GeneticCodonDNA-Binding ProteinsNeoplasm ProteinsCell Line