Carcinoma, MedullaryThyroid NeoplasmsNeoplasms, Multiple PrimaryProto-Oncogene Proteins c-retCalcitoninMultiple Endocrine Neoplasia Type 2aThyroidectomyThyroid GlandCarcinoembryonic AntigenIodine RadioisotopesGerm-Line MutationMultiple Endocrine NeoplasiaRadioimmunotherapyPheochromocytomaPentagastrinCarcinoma, PapillaryAdenocarcinoma, FollicularThyroid DiseasesAdrenal Gland NeoplasmsMultiple Endocrine Neoplasia Type 2bThyroid NoduleThyroid HormonesNeoplasms, Second PrimaryLymph Node ExcisionCarcinomaTumor Markers, BiologicalSkin NeoplasmsCarcinoma, Papillary, FollicularAdenomatosis, PulmonaryAntineoplastic AgentsThyroglobulinNeoplastic Syndromes, HereditaryLung NeoplasmsTreatment OutcomeChernobyl Nuclear AccidentThyrotropinMutationMelanomaLi-Fraumeni SyndromeReceptor Protein-Tyrosine KinasesPaget's Disease, MammaryNeoplasms, Radiation-InducedBreast NeoplasmsThyroid Function TestsPrognosisGenetic Predisposition to DiseaseRetrospective StudiesAdenocarcinoma, PapillaryBiopsy, Fine-NeedleNeoplasmsDNA Mutational AnalysisColonic NeoplasmsPedigreeRegistriesNeoplasm StagingRiskReceptors, Thyroid HormoneIncidenceGastrointestinal NeoplasmsFollow-Up StudiesThyroxineUkraineNeoplasm MetastasisRepublic of BelarusPancreatic NeoplasmsGenes, p53Gene Expression Regulation, NeoplasticGoiterExonsGenes, p16TriiodothyronineProto-Oncogene Proteins B-rafCarcinoma, Squamous CellCell Line, TumorHypothyroidismSoft Tissue NeoplasmsAdenocarcinomaDNA, NeoplasmHead and Neck NeoplasmsProto-Oncogene ProteinsRisk FactorsThyroid Hormone Receptors betaNeoplasm Recurrence, LocalIodineEarly Detection of CancerCalcium GluconateNeoplasm InvasivenessGoiter, NodularRadioactive Hazard ReleaseHyperthyroidismOsteosarcomaIodide PeroxidaseSarcomaOvarian NeoplasmsMice, NudeChromogranin ATime FactorsRNA, MessengerImmunohistochemistryLymphatic Metastasis