The routine methods employed for the diagnosis of the PCa generally include blood tests to measure the Prostate-Specific Antigen (PSA) level, digital rectal examinations, transrectal ultrasounds, prostate biopsies, and/or imaging techniques like Magnetic Resonance Imaging (MRI) (Phan et al., 2020; Lorenzo et al., 2016; Visschere, 2018). The gene discussed is KLK3; the disease is posterior cortical atrophy.