Fig. 1From: Mechanical performance of a commercial knowledge-based VMAT planning for prostate cancerThe average DVHs of the clinical plan and the KBP for PTV − R (a), rectal wall (b), and bladder wall (c). For the PTV − R of the KBP, the Dmax was lower than those of the clinical plans, which improved the homogeneity. The V78 Gy for rectal wall of the KBP was higher than those of the clinical plans, however it was < 1% for all casesBack to article page