Hallemeier, Christopher L Stereotactic radiosurgery for recurrent or unresectable pilocytic astrocytoma. [electronic resource] - International journal of radiation oncology, biology, physics May 2012 - 107-12 p. digital Publication Type: Journal Article ISSN: 1879-355X Standard No.: 10.1016/j.ijrobp.2011.05.038 doi Subjects--Topical Terms: AdolescentAdultAstrocytoma--mortalityBrain Edema--etiologyBrain Neoplasms--mortalityChildChild, PreschoolDisease ProgressionDisease-Free SurvivalFemaleFollow-Up StudiesHumansMaleMiddle AgedNeoplasm Recurrence, Local--mortalityRadiosurgery--methodsRetrospective StudiesTreatment OutcomeTumor BurdenYoung Adult