KLK3 and posterior cortical atrophy: In the correlation analysis no correlation was found between serum AMACR and Netrin 1, urine AMACR and Netrin 1 levels and serum PSA levels of PCa patients (rserum AMACR= 0.019; rserum Netrin 1= -0.155; rurine AMACR= 0.060; r urine Netrin1= 0.646) (Table 2).