909 / 1983
Tra
Zelefsky M et al, IJROBP 2012; 84 (1): 125-129
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)