I just finished the 5-proton radiation treatment at Mayo Phoenix 124 days ago. My 3-month follow-up PSA was undetectable. I am 74 and had 2 cores of 3-4 and 2 cores of 4-3 unfavorable intermediate risk because of the two 4-3s. My pretreatment PSA was 2.9 and the 4 cores were out of 30 taken because of my 120-gram prostate and they were all from the area of the 7 mm lesion which was not palpable with a DRE. The radiation was a piece of cake if you don't mind having an immobilizing balloon up your rectum and a full bladder. I have had almost no side effects other than a pinkish discharge before my morning bowel movement for three days and two brown, tan circles, one on each hip where the proton radiation went in. I have had no urinary troubles at all and actually think I am flowing a little better. I am thrilled with this treatment so far and if it killed the cancer like it is supposed to do, I will be ecstatic. Good luck in your decision making.