According to a study reported in the e-book "how to beat your prostate cancer," impotence affects 75% of men who do surgery and 73% who do radiation - little difference. But incontinence at the 5-year mark affects about 15% of men who do surgery and just under 5% who do radiation. He should do the partin tables to help him choose a therapy, and consider trying some of the alternative treatments that work on their own or with conventional medicine before he commits to anything, imho.

I am 65 and at the age of 63 I had the radical prostate surgery. My PSA was a 9 and gleason 7. I am impotent at this time, but do once in a while receive feeling. However, I do shot myself with edex or caverject in the penis when my wife and I want to have intercourse. It is not painful for the injection. It is sometimes painful after the first few times with the solidness of the penis.
I have studied alot, but this beside a penile transplant is currently the only thing I have to go on. Supposingly, after 18 months to two years, you are to get some feeling, but this coming October will be two years. The oral medications do not work for me, but that doesn't mean it won't work for your father.
I would not have had this done, but at my age, I have a few more years and so does your father. Sometimes, we have to have a crutch and this is insignificant to dying with the disease.
Hope you have found my reply helpful for both you and your father.

On august 2008, my prostate was removed, my psa was 5.2 had sugery by robatic de vince, is ok, you life is more importance, or sex, for a while, six months o a year is ok.........thank god, cpineda

I am 59, prostate removed by da Vinci 9 weeks. Doctor has me on cialis to promote blood flow to nerves, still only partial erection (maybe 30%). I can reach orgasim, that was a surprise to me. Always thought I needed an erection for that. My "ejaculaton" is urine that gets pumped out of my urethra (I think). If one could fully void the bladder I wonder if that ends the urine problem?
Also,am fairly active, play table tennis on a regular basis, leaking is a problem. I'm ok when I sit and lay down, but when I am active I cannot control my leakage.?

Augost 2008, surgery was performed, prostate 5.2 prostate was removed, no problem 0% cancer thank god, live is beutiful, still no sex, looking for a doctor or someone for help.

The risk for impotence and urinary incontinence comes from the fact that the nerve bundles that trigger erection and urination are only separated from the prostate by a thin membrane. Some nervous damage is expected no matter how the cancerous tissue is affected. The longer the cancer is allowed to spread the greater the risk of loss of function is and the lower the chances of healing the damage is. At your father's age not regaining full function is a realistic concern.