Fig. 3

mIGABT (HRCTV in red solid line; 8.5 Gy in red shade). Note hyper-intense tandem and ring central source channels due to oil-filled dummy catheters
mIGABT (HRCTV in red solid line; 8.5 Gy in red shade). Note hyper-intense tandem and ring central source channels due to oil-filled dummy catheters