Brain NeoplasmsNeoplasms, Unknown PrimaryRadiosurgeryBlood-Brain BarrierGlioblastomaGliomaMagnetic Resonance ImagingNeoplasm MetastasisLung NeoplasmsPermeabilitySensitivity and SpecificityBrainAdenocarcinomaContrast MediaAstrocytomaTomography, X-Ray ComputedBrain ChemistryMedulloblastomaTumor Markers, BiologicalCell Line, TumorBrain InjuriesGene Expression Regulation, NeoplasticMeningiomaTumor BurdenTumor Necrosis Factor-alphaGliosarcomaBrain MappingEpendymomaNeoplasms, ExperimentalGenes, Tumor SuppressorMeningeal NeoplasmsWilms TumorCerebellar NeoplasmsTumor Suppressor Protein p53OligodendrogliomaBrain EdemaCarcinoid TumorTumor MicroenvironmentTumor Suppressor ProteinsNeuroectodermal Tumors, PrimitiveNeovascularization, PathologicCell ProliferationXenograft Model Antitumor AssaysNeuroendocrine TumorsTime FactorsTransplantation, HeterologousRNA, MessengerImmunohistochemistryMice, Inbred C57BLBrain StemDisease Models, AnimalRats, Inbred F344Neoplasm TransplantationTissue DistributionMammary Neoplasms, ExperimentalBrain IschemiaBrain AbscessMice, NudeSignal TransductionNeoplasmsNeoplasm ProteinsMice, Inbred BALB CCell DivisionNeoplastic Stem CellsAntigens, NeoplasmRhabdoid TumorBlotting, WesternTreatment OutcomeCell Transformation, NeoplasticMutationMice, SCIDDisease ProgressionMolecular Sequence DataGastrointestinal Stromal Tumors