Neuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralNeuroectodermal Tumor, MelanoticMedulloblastomaNeoplasms, Germ Cell and EmbryonalCerebellar NeoplasmsSarcoma, EwingBeckwith-Wiedemann SyndromeBrain NeoplasmsHepatoblastomaWilms TumorNeuroblastomaQuassinsCentral Nervous System NeoplasmsNeuropilChromosomes, Human, Pair 11Supratentorial NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSRhabdomyosarcomaTumor Markers, BiologicalPinealomaEpendymomaChromosomes, Human, Pair 22Bone NeoplasmsSpinal Cord NeoplasmsRhabdoid TumorMaxillary NeoplasmsInsulin-Like Growth Factor IISarcoma, Small CellGenomic ImprintingCell Line, TumorTumor BurdenTumor Necrosis Factor-alphaThoracic NeoplasmsImmunohistochemistryAstrocytomaNeoplasmsNeoplasms, ExperimentalTomography, X-Ray ComputedAntigens, NeoplasmDNA, NeoplasmOrbital NeoplasmsOncogene Proteins, FusionFatal OutcomeNeural PlateGenes, Tumor SuppressorVincristineSkull NeoplasmsCarcinoid TumorPancreatic NeoplasmsGliomaNeoplasm ProteinsIfosfamideTumor Suppressor Protein p53Translocation, GeneticCombined Modality TherapyTeratomaNeuroendocrine TumorsSoft Tissue NeoplasmsMagnetic Resonance ImagingGanglioneuromaNeoplasms, Nerve TissueThoracic WallCell Transformation, NeoplasticPeripheral Nervous System NeoplasmsParaparesisNeoplasm Recurrence, LocalCell DivisionTumor Suppressor ProteinsReverse Transcriptase Polymerase Chain ReactionTreatment OutcomeRNA, MessengerNeoplasm MetastasisRetinoblastomaSkin NeoplasmsEtoposideAbdominal NeoplasmsChromosomes, Human, Pair 17Tumor MicroenvironmentAntibodies, MonoclonalKidney NeoplasmsMammary Neoplasms, ExperimentalIn Situ Hybridization, FluorescencePineal GlandImmunoenzyme TechniquesAntineoplastic Combined Chemotherapy ProtocolsPolymerase Chain ReactionGene Expression Regulation, NeoplasticAdenocarcinomaCyclophosphamideDisease ProgressionCranial IrradiationNeurofilament ProteinsTumor Cells, CulturedThoracic Surgical ProceduresNeovascularization, PathologicLiver NeoplasmsGenes, myc