Neoplasms, Muscle TissueGranuloma, Plasma CellNeuroectodermal Tumors, PrimitiveNeuroectodermal TumorsNeuroectodermal Tumors, Primitive, PeripheralMyofibromaNeuroectodermal Tumor, MelanoticPlasma Cell Granuloma, PulmonaryMyofibroblastsSarcoma, EwingMedulloblastomaFasciitisAbdominal NeoplasmsFibromaCerebellar NeoplasmsSkull NeoplasmsBrain NeoplasmsSupratentorial NeoplasmsTomography, X-Ray ComputedDesminSoft Tissue NeoplasmsProto-Oncogene Protein c-fli-1RNA-Binding Protein EWSFatal OutcomeImmunohistochemistryTumor Markers, BiologicalMyosarcomaReceptor Protein-Tyrosine KinasesOncogene Proteins, FusionActivin Receptors, Type IIPinealomaIn Situ Hybridization, FluorescenceChromosomes, Human, Pair 22EpendymomaGene RearrangementInflammationSarcomaPneumonectomyBone NeoplasmsRhabdoid TumorSpinal Cord NeoplasmsNeuroblastomaSarcoma, Small CellMagnetic Resonance ImagingMaxillary NeoplasmsCell Line, TumorTumor BurdenTumor Necrosis Factor-alphaNeoplasms, Germ Cell and EmbryonalTreatment OutcomeHepatic Stellate CellsThoracic NeoplasmsCentral Nervous System NeoplasmsProtein-Tyrosine KinasesAstrocytomaFibroblastsCell DifferentiationChromosomes, Human, Pair 11Wilms TumorNeural PlateReverse Transcriptase Polymerase Chain ReactionOrbital NeoplasmsRNA, MessengerNeoplasms, ExperimentalGenes, Tumor SuppressorAntigens, NeoplasmFibrosarcomaVincristineActinsIfosfamideLung NeoplasmsImmunoenzyme TechniquesGliomaCarcinoid TumorDNA, NeoplasmTumor Suppressor Protein p53Translocation, GeneticCombined Modality TherapyTeratomaThoracic WallBiopsyPhenotypeCell ProliferationGanglioneuromaParaparesisNeuroendocrine TumorsNeoplasms, Nerve TissueRhabdomyosarcomaCollagen Type XIINeoplasm ProteinsTumor Suppressor ProteinsCells, CulturedCell DivisionCell Transformation, NeoplasticEtoposideTumor MicroenvironmentRetinoblastomaChromosomes, Human, Pair 17Peripheral Nervous System NeoplasmsPineal Gland