Expression of TMPRSS2:ERG gene fusion in prostate cancer cells is an important prognostic factor for cancer progression..     ///    "However, the clinical significance of TMPRSS2:ERG gene fusion among prostate cancer patients is unknown. "    ///    "We assayed for the presence of the TMPRSS2:ERG gene fusion product among 26 patients who underwent surgery for clinically localized prostate cancer using RT-PCR and direct DNA sequencing, and evaluated its prognostic significance. "