title: Sacrococcygeal chordomas and their treatment.
mesh_terms: D000328:Adult; D000368:Aged; D001859:Bone Neoplasms / Q000532:radiotherapy; D002817:Chordoma / Q000532:radiotherapy / Q000601:surgery / Q000628:therapy*; D003036:Cobalt Isotopes; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000628:therapy; D011882:Radiotherapy, High-Energy; D012445:Sacrococcygeal Region / Q000473:pathology*
chemical_list: D003036:Cobalt Isotopes