Reply to Christian Daniel Fankhauser, Arie Parnham, Vijay Sangar's Letter to the Editor re: Paolo Dell'Oglio, Hielke M. de Vries, Elio Mazzone, et al. Hybrid Indocyanine Green-99mTc-nanocolloid for Single-photon Emission Computed Tomography and Combined Radio- and Fluorescence-guided Sentinel Node Biopsy in Penile Cancer: Results of 740 Inguinal Basins Assessed at a Single Institution. Eur Urol 2020;78:865-72.