PMC5724591_01
Dose-volume histograms for the target for case 1. A solid curve indicates the result of algorithm No. 1, whereas a dashed curve indicates the result of algorithm No. 2.
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However, the dose volume histograms for the target volume showed that the two algorithms resulted in comparable dose distributions (Fig. 1).
PMC5724591_02
Dose-volume histograms for the planning target volume (a) and the organs at risk (b) for case 3.
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The dose-volume histograms showed that algorithm No. 2 resulted in a slightly more homogeneous dose distribution in the target volume and a much lower maximum dose to the eyes (Fig. 2).
PMC5724591_03
Dose-volume histograms for the target (a), the left eye (b), and the right eye (c) for case 2. Solid curves indicate the results of algorithm No. 1, whereas dashed curves indicate the results of algorithm No. 2.
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Fig. 3 shows the dose-volume histograms for the planning target and the organs at risk.