I had Prostate cancer last year and had it removed. Same deal, they cut almost every muscle and nerve surrounding the bladder (prostate is tucked in directly below the bladder) and I had zero bladder control immediately after. I wore Depends for 5-6 months, reduced down to thick pads and eventually thin pads. Probably never get back to original 100%, but I am at 90% and can do everything without worry or issue.
The cancer came back in surrounding tissue this spring, so I am now doing hormone, chemo drugs and radiation treatments to take my testosterone to zero (anti CW). Was warned those would impact bladder control but I haven't seen it yet. I do get hot flashes (I joke I am a menopausal woman-manopause). The zero testosterone is supposed to lead to excess fatigue, but I haven't seen that yet either.
Lesson for all: after age 50, get yearly PSA (Prostate Specific Antigen) tests done. It is a simple test from a blood draw. Doctors say, if men live long enough it is not a question of IF they will get prostate cancer, but when. It is the most common cancer type for men, but is highly treatable and has a very high survive rate. Most men die WITH prostate cancer, not FROM prostate cancer.