. _:vb50952716 . _:vb50952716 . "spinal chordoma"^^ . "NCI:C5156"^^ . . "A chordoma that derives_from the spine."^^ . "DOID:4153"^^ . . _:vb50952716 . _:vb50952716 . . "Chordoma of Spine"@en . . "disease_ontology"^^ . _:vb50952716 .