You take a real chance having an SCS, most of the top US specialists have stopped ussing them. 60% of sufferers get RSD at the incision site. 50% have to have one or more further ops due to wires moving or duff batteries. If you didn't get it the first op there is a 60% chance you wil during the next. If you did then it will definetly make the RSD worse.
I think you've had a lucky escape