i had consistence burn on my left chest started a month ago, i went to cardiologist , did MKG, stress testing, CT scan and went to Gastroenterology and did endoscopy , but nothing comes up. They could not diagnosis anything. Now i am having some uneasiness in chest. i feels like something is moving in left side of chest, sweating on forehead and hands. I am loosing weight and feels weak. Please advise what should i do next.