Clinicopathological variables of the patient cohort (n = 501).

a Pathological T (pT) category refers to the stage of primary tumor in the TNM tumor staging system. pT2 = Tumor confined within prostate, pT3a = Extracapsular extension, pT3b = tumor invading seminal vesicle(s). Clinicopathological variables of the patient cohort (n = 501).病理T分期（Pathological T，简称pT）是TNM肿瘤分期系统中针对原发肿瘤的分期类别。其中，pT2期指肿瘤局限于前列腺内；pT3a期指肿瘤突破前列腺包膜；pT3b期指肿瘤侵犯精囊。本次研究的患者队列（n=501）的临床病理变量。