What is the cause for persistent epigastric pain. US- neg, and nothing was found on endoscopy. Also have upper back pain. 33 yr old female, non smoker, in good health. All blood work was in normal ranges and cholesteral was good at 130 total. Epigastric region is also tender to touch. Sometimes have chest pain with no SOB. Pain seems to be brought on by stress, eating sometimes, and elevated HR.