Here’s a link to a research article VDM posted:
Article about jugular vein compression - General - Living with Eagle
Some members have had balloon venoplasty; I don’t know whether that might be an option rather than stenting:
Been a long journey surgery coming up for jugular vein compression. Need advice! - General - Living with Eagle
Ultimately, if you have confidence in them & obvs you want as good a result as possible, you could leave it to them, I don’t know how much they’ll be able to wait & see when they get in?