Fig. 4From: Adaptive step size algorithm to increase efficiency of proton macro Monte Carlo dose calculationAcademic cases used for validation: Mono-energetic proton beam impinging on a mixture of adipose and muscle tissue with layer-by-layer varying HU value and lung and bone inhomogeneities in series (left) and adjacent to each other (right), establishing a material interface perpendicular and parallel to the initial proton direction, respectivelyBack to article page