Having both of these issuses is a tough one for sure, I am so sorry ughhh! I did not see any reference in this post as to if your neurosurgeon is aware of the ES as well or his/her thoughts about that piece?
It is very common to have surgery in the front of the neck (verses the back) to address your cervical piece and pain management is typically smooth for people after the usual post op pain from the incision and swelling recedes. One of the more common side effect is temporary mild loss of voice and/or swallowing difficulty as they will gently move your wind pipe and esophagus aside to reach your spine (you can move both to the side and feel the front of your spine with your fingers - it is quite superficial which is why this approach is preferred) Isn’t it so crazy how they speak so nonchalantly about “pushing things aside”… please people! but in their mind that is mechanically what happens, only ther really are much gentler But in fact, your long time neck pain should be much much better almost immediately. It would be good to pass the ES by your surgeon when you see him just so there are no big surprises for either of you (sorry if I missed something here)
I hope this is helpful. Keep hanging in there, you are not alone! Sending all good your way