P281 - Multi-institutional European outcomes of supervised unexperienced resident in transurethral resection of bladder cancer: The importance of a standardized program, the ENTRY project working group. - Diana, P.; Paciotti, M.; Gallioli, A.; Vercelli, E.; D'Agate, D.; Piccinelli, M.L.; Lievore, E.; Dagnino, F.; Finocchiaro, A.; Yebes Alonso, A.; Frego, N.; Bravo, A.; et al. (European Urology, 2024)