...we performed PTEN immunohistochemistry on primary prostate cancer (PCa) from 146 patients treated with RT/AAT vs. 160 patients treated with RT alone....anti-androgen therapy (AAT) with bicalutamide at the time of radiation therapy (RT)...PTEN loss was non-significantly associated with MFS (HR=1.20; 95% CI: 0.72-1.98).