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(a) DVHs of the resultant plans with 7, 15, and 30 beams in the prostate case and (b) the magnified views, where the solid(-), the dashed-dotted(-•), and the dashed lines(–) correspond to 7, 15, and 30 beams, respectively. The DVHs were acquired with 80 segments for all plans. The dose conformity to the critical structures, especially left/right femoral heads, is noticeably enhanced with DASSIM-RT (15 and 30 beams) over IMRT (7 beams).
