Thankfully these days there are numerous doctors who have successfully completed prostatectomies in J-Pouch patients. Obviously there are still risks associated with prostatectomies in J-Pouch patients, but your chances of a successful prostatectomy without J-Pouch violation/failure are better than what they were!
It’s still no easy decision and can be scary for people on this situation, but I believe everything will work out just fine! In Jesus’s name!
Lord willing you won’t have to have a prostatectomy though!