Fig. 1From: Glioblastoma radiotherapy using Intensity modulated Radiotherapy (IMRT) or proton Radiotherapy—GRIPS Trial (Glioblastoma Radiotherapy via IMRT or Proton BeamS): a study protocol for a multicenter, prospective, open-label, randomized, two-arm, phase III studyFlow diagram of the process of the study phases of the GRIPS trial. IMRT = intensity-modulated radiotherapy, RT = radiotherapyBack to article page