Figure 1.

50 Gy(RBE) isodose curves ([α/β]_x = 2.1 Gy) and LET_d distributions for the 3 patients. Delineated structures are midbrain (green), pons (blue), and medulla oblongata (yellow). The LET_d in voxels receiving doses below 0.1 Gy(RBE) according to the RBE_1.1 dose is set transparent. Abbreviations: CAR = Carabe; LET_d = dose-averaged linear energy transfer; LWD = LET-weighted dose; MCN = McNamara; RBE = relative biological effectiveness; ROR = Rørvik; WED = Wedenberg. (A color version of this figure is available at https://doi.org/10.1016/j.adro.2020.08.008.)