_:vb50941812 . _:vb50941812 "url:https://pubmed.ncbi.nlm.nih.gov/27858204/"^^ . _:vb50941812 . _:vb50941812 "A high grade ependymoma that is located within the supratentorial brain."^^ . _:vb50941812 . _:vb50941812 .