I have had an ultrasound and an endoscopy to determine what my stomach issues are. I suffer from diarrhea and stomach pain and I have a hard or firm section just below my sternum. My doctor says there is nothing wrong that he can find, but I am still troubled by this to the point of not eating b/c I never know how it will impact me. Also, the skin on my stomach is always cold regardless of what I am doing. Even if I wrap my stomach and exercise my skin is always cold.
Hello. As per your narration, more chances are that you are suffering from irritable bowel syn Chat Doctor.  This problem aggregates if one constantly keeps thinking about hi/her disease and takes undue stress. Please correct your diarrhea first and if your ultrasound is normal, don't think much. Take cap racecadotril OD for five days, you will be all fine. Get tour thyroid profile done to look for your cold skin causes.