“…The ultimate objective is to delay or avoid the morbidities associated with radical treatments without compromising survival. [8][9][10] Although AS is an established management option for low-risk prostate cancer, different AS protocols have been adopted. [11][12][13][14][15][16][17] The most commonly used include those from the University of Toronto, 11 Royal Marsden, 12 John Hopkins, 13,14 University of California San Francisco (UCSF), 15 Memorial Sloan Kettering Cancer Center (MSKCC), 16 and Prostate Cancer Research International: Active Surveillance (PRIAS).…”