Thanks for writing to us.
I am Dr. Vaibhav Gandhi, I am Orthopaedic surgeon
and spine specialist.
According to your history most likely you have injured your ribs.
Other possibility include hyperacidity
, or chostochondritis
I advise you to take x ray chest ,take analgesic
,rest and clinical examination from surgeon.
Take muscle relaxant
with antacid, take rest , hot fomentation.
Hope I answered your questions.