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Figure 12: Results of MC simulation for a 6 × 6 cm2 MLC field with 5 and 2.5 mm voxel sizes are shown in these figures. The PDD values of simulation are shown in (a) for 5 mm and in (a) for 2 mm. The profiles at dmax and at depth 20 cm for voxel size 5 mm are, respectively, shown in (c), (d) for x-direction and in (e) and (f) for y-direction. Similar profiles for 2.5 mm voxel size are shown, respectively, in (g), (h) and in (i), (j). MC = Monte Carlo, PDD = percent depth dose

Figure 12: Results of MC simulation for a 6 × 6 cm2 MLC field with 5 and 2.5 mm voxel sizes are shown in these figures. The PDD values of simulation are shown in (a) for 5 mm and in (a) for 2 mm. The profiles at dmax and at depth 20 cm for voxel size 5 mm are, respectively, shown in (c), (d) for x-direction and in (e) and (f) for y-direction. Similar profiles for 2.5 mm voxel size are shown, respectively, in (g), (h) and in (i), (j). MC = Monte Carlo, PDD = percent depth dose