P327 - Validation of the EAU risk groups for radical prostatectomy prostate cancer patients who experienced biochemical recurrence restaged with PSMA PET imaging and development of a novel tool. - Longoni, M.; Barletta, F.M.; Gandaglia, G.; Mazzone, E.; Stabile, A.; Robesti, D.; Quarta, L.; Bandini, M.; Cucchiara, V.; Pellegrino, F.; Scuderi, S.; Cirulli, G.O.; et al. (European Urology, 2024)