According to the Cambridge Prognostic Group (CPG) system, the 10-year risk of death for PCa is 1.2% for low-risk disease (CPG 1) and 2.3% for favorable intermediate-risk PCa (CPG 2), including ISUP grade group 2 or PSA levels of 10–20 ng/mL and stages T1-T2. The gene discussed is KLK3; the disease is posterior cortical atrophy.