my age 26. weight 62 kg.height 5 feet 5 inchi. my cholestorel level normal.little high bp(130/85), ecg normal and echocardiogram also normal.all related test normal urine, rbs, creatanine etc. but i have little left chest pain for some time in a day . duration 3 -4 hours or more. some time big pain.but not other place. cardiologist said me, there is no reason to heart pain. my pain seems to under the breast. if i do exercise pain is same. no increase or decrease pain. i am taking gastrical pain medicine, anexity and stress medicine. but no improve. actually what cause i want to know. i am worried about my chest pain. how can i do?