CHORDOMA.
D002817:Chordoma; D006653:Histology; D006801:Humans; D009369:Neoplasms / Q000209:etiology*; D009493:Neurosurgery; D019635:Neurosurgical Procedures; D011379:Prognosis; D011878:Radiotherapy
CHORDOMA; HISTOLOGY; NEOPLASM ETIOLOGY; NEUROSURGERY; PROGNOSIS; RADIOTHERAPY