They should scope it. Whether it’s a video scope, or endoscopic ultrasound is up to the docs. Either one would require anesthesia, so they are loathe to do that without good reason.
Throat issues are not fun. Prayers up for you. Good luck tomorrow.
Scope
This, ditto, and rule out GERD. Famotidine may be your friend.
A nose scope doesn’t need anesthesia….unless you count the nasty spray they put up the nose as numbing.