Reply to Xiangyang Yao, Chen Duan, Bo Li, Xiaoliang Wu and Hua Xu's Letter to the Editor Re: Hilda A. de Barros, Matthias N. van Oosterom, Maarten L. Donswijk, et al. Robot-assisted Prostate-specific Membrane Antigen-radioguided Salvage Surgery in Recurrent Prostate Cancer Using a DROP-IN Gamma Probe: The First Prospective Feasibility Study. Eur Urol 2022;82:97-105.