Fig. 1
From: Clinical implementation of a knowledge based planning tool for prostate VMAT
Average dose to the rectum normalised to the prescription dose (D rectum mean /D Px ) plotted against the volume of the rectum overlapping PTV1 expressed as a fraction of total rectum volume (Vovr/Vrec). Data is plotted for high risk (solid) and low risk (open) patients. The dashed and solid curves represent the local MARD and OARD models respectively whereas the dotted curve represents the model of Moore et al. [1]