I ve had pain on the right side of my stomach for a few years comes and goes just under my rib cage it radiates into my back and my right shoulder blade and I keep getting a sharp pain in my groin I suffer with terrible indegestion last week I was in complete agony my right side was painful to touch I couldn t stand up straight and I was also very sick it lasted over seventeen hours and the pain didn t subside its a week later and I m still getting pain but it comes and goes I had scans about two years ago and they showed nothing up what could this be