Be sure to explore all our sticky threads (on TOS forum main page above the thread list) & use the search for specific things you want to find..lots of info in past posts...
https://www.neurotalk.org/search.php
some things off the top of my head-
scar tissue- internal- can cause ongoing pain & sx..
trigger points / muscle spasms
posture - fwd head /fwd shoulders
Did you have the extra cervical ribs & those were removed, or a rib resection of the normal first rib? Did they remove the whole rib or leave a stub? ( a stub/stump can cause ongoing problems )