Figure 6From: Technique for sparing previously irradiated critical normal structures in salvage proton craniospinal irradiationComparative treatment plans for case 1. The dose distribution is shown in colorwash and the 12 Gy (33.3%) isodose line is delineated in white, while the 30.6 Gy (85%) isodose line is delineated in orange.Back to article page