Reply to Carissa E. Chu, Peter E. Lonergan, and Peter R. Carroll's Letter to the Editor re: Vasilis Stavrinides, Francesco Giganti, Bruce Trock, et al. Five-year Outcomes of Magnetic Resonance Imaging-based Active Surveillance for Prostate Cancer: A Large Cohort Study. Eur Urol. In press. https://doi.org/10.1016/j.eururo.2020.03.035