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Dose-volume histograms for (a) prostate A, (b) prostate B, (c) lung, (d) liver and (e) partial breast cases. Dotted lines: body path (110 nodes), dashed lines: preset short path (36 nodes), solid lines: BOS path (15 nodes). The principal dose constraints are shown as points. The PTV constraints in (b) are all minimum dose constraints.
