MIAMI BEACH (EGMN) - Where conventional radiation and surgery often fail, high-dose proton-based radiation therapy can succeed at providing local control of spinal chordomas, according to investigators at the annual meeting of the American Society for Radiation Oncology.Among 126 patients with 127 localized chordomas, those who received a combination of pre- and postoperative radiation with protons added to photon radiation had a 5-year local control rate of 85%, reported Dr. Ronny L. Rotondo of...