Thanks for your query to us.
A pain which comes on exertion, is behind the breastbone and relives by rest is likely to be anginal or heart related. A pain which is not increasing or provoked by exercise, increases by certain posture, touch or pressing, can be localized to a finger tip, increases by deep breathing is not likely to be anginal.
There are many reasons for chest pain
and with your profile the likelihood of having heart disease
is low. Relax and talk to your doctor.