Inclusion Criteria:  Men aged between 40 - 80 years Localized prostate cancer without obvious lymph node or distant metastases  Exclusion Criteria:  Clinical T stage T3 or above Prostate size >80 ml Patients with previous treatment of prostate cancer Patients with previous surgery on the prostate Patients with active urinary tract infection Patients with bladder pathology including bladder stone and bladder cancer Patients with urethral stricture Patients with neurogenic bladder and/or sphincter abnormalities Patients who fail to give informed consent