“…The indications for SRT +/- HT are established in the setting of a rising PSA level, after a period where an undetectable PSA was achieved ( 2 , 3 ). However, immediate SRT in case of detectable PSA immediately after RP, but also SRT when a macroscopic recurrence in the prostate bed is shown by functional images, are two issues which treatment options and prognosis are still unclear ( 4 , 5 ). The present edition of Frontiers in Oncology focuses on the need to improve the outcome of men with high risk or recurrent prostate cancer.…”