Hi , can you describe your pain properly. Whether it is sharp pain or dull aching , whether you have feeling of lump in your throat , whether is it through out the day or only during swallowing. Yes reflux disease can present as you are describing. And no you are not goin to die . It can be chronic reflux disease which can be altered by changing few diet habits . Your CT report doesnt shows anything serious.
Next Steps
avoid eating spicy and oily foods .take 3 to 4 liters of water in a day .
avoid lie down immediately after your food .
avoid if you are smoking or alcoholic
Health Tips
bland diet will be good for you with more of veggies and fruits.