J Med Phys Close
 

Figure 5: Dose distribution superimposed on coronal CT images of a plan that shows major deviation from RTOG guidelines (QRTOG=0.70, Volume=4.874 cm3). The target is irregularly shaped and the protrusions do not receive the prescribed dose which has resulted in a lower value of QRTOG

Figure 5: Dose distribution superimposed on coronal CT images of a plan that shows major deviation from RTOG guidelines (Q<sub>RTOG</sub>=0.70, Volume=4.874 cm<sup>3</sup>). The target is irregularly shaped and the protrusions do not receive the prescribed dose which has resulted in a lower value of Q<sub>RTOG</sub>