I had TURP in May 16 with HT (Zoladex) starting Nov 15. RT, which was 37 sessions, began 1 Nov 16 although it could have been started earlier but put back a bit as I got married 26 Oct. Can't remember when RT was originally scheduled but there was no panic as HT was doing its stuff. I was also part of a trial, stampede arm j having abiraterone, enzalutimide and prednisolone for 2 years.
Looking back, the TURP was fine, didn't take too long to get over it and it made a difference. As I hadn't had any 'proper' hospital procedure before, luckily, it was a step into the unknown etc but it was fine.
Peter