Fig. 8From: Variable RBE in proton therapy: comparison of different model predictions and their influence on clinical-like scenariosDRBEVHs for PTV of patient 1 for (α/β) x = 2(10) Gy are depicted in left (right) upper panels for a fixed RBE of 1.1 and variable RBE applying the three (two) biological models. DRBEVHs for PTV and brain stem of patient 2 for (α/β) x = 2(10) Gy are depicted in left (right) bottom panels for a fixed RBE of 1.1 and variable RBE applying the three (two) biological modelsBack to article page