GSTM2 and posterior cortical atrophy: According to data from HPA, AZGP1 and MDH2 have shown high protein expression in both normal and tumor prostates, ENO1 and EZR have shown medium expression, GSTP1 had shown medium expression in normal prostate tissue, but medium to not detected in PCa, and FABP5 and GSTM2 were not detected in normal prostate tissue, while in PCa, they showed variable expression from medium to none.