Table 1. Clinicopathological features of the experimental samples (prostate adenocarcinoma tissue and normal prostate tissue samples). T: Primary tumor, Tx: Primary tumor cannot be assessed, T0: No evidence of primary tumor, Tis: Carcinoma in situ; intraepithelial or invasion of the lamina propria, T1: Tumor invading the submucosa, T2: Tumor invading the muscularis propria, T3: Tumor invading through the muscularis propria into the subserosa or into non-peritonealized pericolic or perirectal tissues, T4: Tumor directly invading other organs or structures and/or perforating the visceral peritoneum, N: Regional lymph nodes, Nx: Regional lymph nodes cannot be assessed, N0: No regional lymph node metastasis, N1: Metastasis in 1-3 regional lymph nodes, N2: Metastasis in 4 or more regional lymph nodes, M: Distant metastasis, Mx: Distant metastasis cannot be assessed, M0: No distant metastasis, M1: Distant metastasis