Fig. 3From: Focal HDR brachytherapy boost to stereotactic radiotherapy (fBTsRT) for prostate cancer: a phase II randomized controlled trialComparison of fBT (4 catheters within the GTV-dark blue dotted line) and SOC HDR brachytherapy (17 catheters covering the prostate-light blue dotted line). Isodoses: Orange 200%; Dark Blue 150%; Green 125%; Red 100%; Yellow 75%. Organs: Prostate in light blue, Urethra in brown, Rectum in purpleBack to article page