AstrocytomaGliomaBrain NeoplasmsSupratentorial NeoplasmsGlioblastomaNeoplasm GradingMagnetic Resonance ImagingEpendymomaCraniotomyBrain Stem NeoplasmsBrainOligodendrogliomaNeuroectodermal Tumors, PrimitivePrognosisImmunohistochemistryInfratentorial NeoplasmsCerebellar DiseasesCerebellar NeoplasmsGlioma, SubependymalRetrospective StudiesNeurosurgical ProceduresMeningiomaTreatment OutcomeTumor Markers, BiologicalCerebral HemorrhageSpinal Cord NeoplasmsNimustineMedulloblastomaMeningeal NeoplasmsKi-67 AntigenCentral Nervous System NeoplasmsNeoplasm Recurrence, LocalNeoplasm StagingSurvival RateDisease ProgressionTomography, X-Ray ComputedPrecancerous ConditionsNeoplasm InvasivenessBiopsyCervical Intraepithelial NeoplasiaCerebral Ventricle NeoplasmsSurvival AnalysisImmunoenzyme TechniquesBarrett EsophagusGene Expression Regulation, NeoplasticCranial Fossa, PosteriorHypothalamic NeoplasmsCombined Modality TherapyFollow-Up StudiesLymphoma, Non-HodgkinUterine Cervical NeoplasmsProstatic Intraepithelial NeoplasiaCarcinoma in SituEsophagoscopyNeoplasm Proteins