EBRO 2017

Tra

PTV = prostate + entire seminal vesicles + a 1-cm margin except posteriorly, where a 0.6-cm margin was used

“…The enhanced accuracy of IGRT could possibly explain the improved biochemical tumor control observed for high-risk patients with a large volume of disease in whom escalated dose levels are critical for local tumor control…” (Zelefsky et al)

Zelefsky M et al, IJROBP 2012; 84 (1): 125-129