_:vb50953296 . . _:vb50953296 . _:vb50953297 . "pineal gland astrocytoma"^^ . "Pineal Astrocytic tumor"@en . . "UMLS_CUI:C0280795"^^ . . _:vb50953297 . _:vb50953297 . "DOID:4858"^^ . "NCI:C8274"^^ . _:vb50953296 . _:vb50953296 . "disease_ontology"^^ . . _:vb50953297 . _:vb50953297 . . _:vb50953296 .