It mainly depends upon your age, extent of injury, physical condition prior to the injury, previous injuries, etc.
Had a friend who "relocated" her patella roughly 18 inches north of where it was originally intended to reside. She was young at the time, I think 20ish, and was extremely physically fit. She still climbs and whatnot, but her boarding career was sorry to say it.....over.
If my own many varied injuries are any example, nothing is ever the same again, whether or not you "fully" recover is largely upto your definition of an acceptable pain level.
Best of luck!
Took all winter, to get through the summer. -Tom Petty