Thanks for your question on Health Care Magic.
I can understand your concern.
Since your chest x ray is normal, no need to worry for Pulmonary causes for your
chest pain.
In my opinion, you are mostly having
stress induced GERD (
gastroesophageal reflux disease).
You need to follow these lifestyle modifications along with
lansoprazole for better symptomatic relief.
1. Avoid stress and tension.
2. Avoid hot and spicy food. Avoid junk food. Avoid large meals, instead take frequent small meals.
3. Go for walk after meals.
4. Keep 2-3 pillows under head in the bed to prevent reflux.
5. Loose weight if you are obese. Avoid
smoking and alcohol if you are having these habits.
Don't worry, you will be alright.
Hope I have solved your query.
Wish you good health. Thanks.