Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Hypofractionated Ion Irradiation (Protons or Carbon Ions) of Sacrococcygeal Chordoma
Brief Summary: The purpose of this study is to evaluate the safety and feasibility of primary hypofractionated irradiation of sacrococcygeal chordoma with carbon ions or protons using the raster scan technique.