ASCO recommends PSA testing once every 3 months if there is a high possibility of metastatic illness. Your doctor can then measure bladder pressure and determine how well your bladder muscles are working. Well, it's neither here nor there and just a stream-of-consciousness thought. Prostate cancer is one the most common malignancies in the urological systems. It is best to seek professional help if you experience any of these symptoms. They also offer additional benefits for the eyesight. A %fPSA value greater than 25% indicates a risk of about 8%.%fPSA is used to increase the sensitivity of men who have a PSA of 4-10 ng/mL.