_:vb50955010 . _:vb50955010 . _:vb50955010 . _:vb50955010 "A pilocytic astrocytoma that occurs during childhood."^^ . _:vb50955010 "url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C4048"^^ . _:vb50955010 .