PTEN and prostate cancer: Lokman Lokman U U Erickson Erickson AM AM Vasarainen Vasarainen H H PTEN loss but not ERG expression in diagnostic biopsies is associated with increased risk of progression and adverse surgical findings in men with prostate cancer on active surveillance PTEN loss but not ERG expression in diagnostic biopsies is associated with increased risk of progression and adverse surgical findings in men with prostate cancer on active surveillance Eur Urol Focus Eur Urol Focus 2018 2018 4 4 867 867 873 873 supplied-pmid 28753869?