If there is no traumatic hstory, then this is due to the cwrvical problem and leading to nerve compression responsible for pain in the elbow, neck and chest area. It generally occurs duw to bad postures or with the old age.
Next Steps
Go to a physiotherapist.. Ultrasonic therapy+IFT +Heating therapy +traction (if required) +some stretching as well as strengthening exercises will be helpful.
Health Tips
At home.. Hot water fomentation +pain killer gel +rest+no long sitting /forward neck bending, no manual exertions, no travelling, no thock pillow while lying straight, no cold exposure.