_:vb50941814 . _:vb50941814 . _:vb50941814 . _:vb50941814 "url:https://www.pathologyoutlines.com/topic/cnstumorependymomarelafusion.html"^^ . _:vb50941814 . _:vb50941814 "A supratentorial ependymoma that has_material_basis_in presence of a RELA fusion gene."^^ .