We’ve had some discussions about enlarged muscles, so you could search the past discussions for info about that. I think Dr Costantino removes some of the digastric muscle when needed, mentioned in this discussion:
1 Week Post Surgery Update - General - Living with Eagle
And also some other discussions about muscle compression:
Article about jugular vein compression - General - Living with Eagle
Surgery Completed! - General - Living with Eagle
I hope that you’re able to make the right decisions about your surgery & get treatment soon!