The 10-year biochemical DFS rate was 86% with EBRT plus focal boost vs 71% with standard EBRT in those with intermediate- and high-risk prostate cancer.
Imaging developments have made it possible to detect nodal recurrence at low PSA levels, which could help guide salvage approaches for prostate cancer.
Grade 2 or higher genitourinary acute toxicity was observed in 27.3% of patients treated with 2 fractions of SBRT vs 29.2% of patients treated with 5 fractions.