Neoplasms, Multiple PrimaryNeoplasms, Second PrimarySkin NeoplasmsAdenomatosis, PulmonaryGerm-Line MutationLi-Fraumeni SyndromePaget's Disease, MammaryMelanomaNeoplastic Syndromes, HereditaryLung NeoplasmsGastrointestinal NeoplasmsGenes, p16Soft Tissue NeoplasmsBreast NeoplasmsGenes, p53OsteosarcomaRegistriesSarcomaColonic NeoplasmsCarcinoma, Squamous CellDNA Mutational AnalysisPedigreePancreatic NeoplasmsGenetic Predisposition to DiseaseHead and Neck NeoplasmsAdenocarcinomaRiskIncidencePrognosisMutationNeoplasmsRetrospective StudiesNeoplasm StagingNeoplasms, Cystic, Mucinous, and SerousExonsRisk FactorsFollow-Up StudiesTime FactorsTumor Suppressor Protein p53Kidney NeoplasmsImmunohistochemistryThyroid NeoplasmsAdenocarcinoma, Mucinous