Are your muscles in the neck/shoulders/chest still bulked up?
(crowds the nerves/blood flow in the crucial junction)

It is very hard to see long term improvements when still doing aggravating work/activities.. IMO..

There are past posts on Dr Stoxen I believe , the name sound familiar. You can use the search to find those, might be 5 yrs ago..

If you do look into surgery more deeply , seek out the best surgeons you can find..and get a second opinions..

But a police officer career may not be a good fit in the long term view of things, unless you can move into the detective or management side of things..

Even if you have a successful surgery - Why risk it becoming a chronic life long issue..
If VTOS only ,usually a better/faster recovery , but if mostly or some NTOS is involved, nerves stay angry a long time..

Check out the useful sticky threads for more info ..