I think I feel the same thing but I had HDR Brachytherapy.
Of course, I've had internal hemorrhoidal pain since my biopsy last October and I've been taking a lot of stuff, both ways, to help that situation. I can't tell if it's the 'roids or the radiated prostate.
I also saw a surgery member, Pratoman maybe, say he felt a similar feeling since his was taken out.
Family: Father - prostate, colon, intestinal, bladder, brain, and melonoma cancer. He's 81 now.
PSA: 2013 - 2.5, Aug. 2014 - 4.5, Oct. - 4.0 Jan. '15: 1.7
3+3=6 (<5% of core), 3+4=7 (10% of one core), 3+4=7 ("Discontinuously" involving two cores, 40% and 50%) Left base, mid and apex.
Hobbies: Pickup basketball 3x/week, crossfit 2x/week.
HDR Brachy 12/2 & 12/16