Welcome in H.C.M.
I have gone through your query regarding something moving in neck and chest and giving you much discomfort.
I am suspecting that most likely you are having dyspepsia
with LPR ( laryngopharyngeal reflex ).
To manage it you should do-
1- Avoid spicy food.
2- Evening walk after dinner will be helpful.
3- Take Rabiprazole + Levosulpride .
4- Adequate liquid orally.
I hope this will help you otherwise you should examine yourself for cardio respiratory system.