The expression of AR, CHEK-2, CDKN-1B, and CDC-20 was found to be, respectively, 1.02-fold lower, 1.6-fold higher, 1.15-fold lower, and 1.07-fold higher in EBV-positive PCa tissues compared to EBV-negative PCA tissues. This evidence concerns the gene CHEK2 and posterior cortical atrophy.