Wilms TumorGenes, Wilms TumorWT1 ProteinsKidney NeoplasmsChromosomes, Human, Pair 11Denys-Drash SyndromeGenes, Tumor SuppressorWAGR SyndromeTumor Markers, BiologicalBeckwith-Wiedemann SyndromeCell Line, TumorChild WelfareTumor Necrosis Factor-alphaTumor BurdenRhabdoid TumorNephrectomyDisabled ChildrenSarcoma, Clear CellAniridiaChild BehaviorInsulin-Like Growth Factor IIUrogenital AbnormalitiesFrasier SyndromeTumor Suppressor ProteinsGenomic ImprintingZinc FingersMutationNeoplasms, ExperimentalTreatment OutcomeDNA, NeoplasmNeoplasm StagingLoss of HeterozygosityMolecular Sequence DataNeoplasm ProteinsCarcinoid TumorRetrospective StudiesBase SequenceTumor Suppressor Protein p53Gene Expression Regulation, NeoplasticAnaplasiaDeoxyribonuclease HpaIINeoplasmsBrain NeoplasmsChild Health ServicesNeuroendocrine TumorsKidneyRNA, MessengerChild RearingRNA, NeoplasmAntigens, NeoplasmPAX2 Transcription FactorLeukocyte DisordersImmunohistochemistryCombined Modality TherapyPolymerase Chain ReactionSyndromeTime FactorsChromosome DeletionTumor MicroenvironmentFollow-Up StudiesReverse Transcriptase Polymerase Chain ReactionCell ProliferationDNA-Binding ProteinsChild, InstitutionalizedInfant, NewbornTranscription FactorsNeoplasm Recurrence, LocalChild Behavior DisordersChild Psychologybeta CateninDNA MethylationHeterozygoteMammary Neoplasms, ExperimentalChild of Impaired ParentsNeovascularization, PathologicSignal TransductionSurvival RatePromoter Regions, GeneticPrognosisDental Care for ChildrenTransfectionDisease ProgressionSurvival AnalysisNeoplasm MetastasisChild, OrphanedAdenocarcinomaDisease-Free Survival