ENT evaluation to
Rule out foreign body
, infection, tumor, structural or functional abnormality is most important.
Even if the exam is normal, a follow-up with ENT in 2-4 months is warranted if the symptoms persist, sooner if they worsen. "worrying" is not productive and in fact may contribute to the sense of something stuck in the throat. Reasonable concern, a good action plan w/ follow thru and stay relaxed.