KLK3 and posterior cortical atrophy: Patients with high grade PCa were older (64.69 ± 6.28 years vs 63.43 ± 6.16 years; p < 0.001), with a higher PSA (13.22 ± 18.22 ng/ml vs 8.79 ± 8.16 ng/ml; p < 0.001) and smaller glands (53.23 ± 29.54 ml vs 56.31 ± 31.57 ml; p < 0.001) (Table 2).