I've got to disagree with those who claim that a prostatectomy does not shorten your penis. Before my RALP, I said to the surgeon, if you remove a walnut length of urethra from me (the average size of the prostate) how do you make up that difference? Does my penis withdraw that much? His answer was that the hope is the bladder will drop down that much, but usually there is a "compromise" and both happen. The bladder is held in place by many things in your gut, restricting its ability to move lower and make up entirely for the loss of urethral length. My penis is still shorter two years after the surgery, even doing VED therapy daily. How do I know? Foreskin piles up around the base of the glans, like a turtle head withdrawing into its neck. And I'm circumcised. It never did that before.