question: I have right abdominal pain keeps coming and going got an ultrasound and X-ray and nothing showed up have it on and off for bout a yr but use to only last bout a few days every month but have it for the last two wks now it went for a dat or two but when I went back exercising today it came back when I'm standing for a while it gets worse am waiting to get a colonospy done what do u think it is