Has the time come for routine use of PET/CT for guiding treatment of biochemical recurrence after radical prostatectomy? RE: JaniAB, et al. 18 F-fluciclovine-PET/CT imaging versus conventional imaging alone to guide postprostatectomy salvage radiotherapy for prostate cancer (EMPIRE-1): a single centre, open-label, phase 2/3 randomised controlled trial. Lancet. 2021 May 22;55:1895-1904.