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Gamma index (1%/1 mm) maps between the original anisotropic‐analytic‐algorithm (AAA) and the Acuros XB (AXB) dose distributions, and between the boosted AAA and the AXB dose distributions for (a) a three‐dimensional non‐coplanar static beam plan and (b) a volumetric‐modulated arc plan. The color bar on the right shows the scale of gamma index and the dashed lines indicate the planning target volumes. A gamma index > 1 indicates failed gamma test.
