title: Chordoma: evaluation of clinical behavior and treatment modalities.
mesh_terms: D000328:Adult; D000368:Aged; D002675:Child, Preschool; D002817:Chordoma / Q000601:surgery / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011879:Radiotherapy Dosage; D012445:Sacrococcygeal Region; D012888:Skull Neoplasms / Q000601:surgery / Q000628:therapy*; D013100:Sphenoid Bone; D013125:Spinal Neoplasms / Q000601:surgery / Q000628:therapy*