I am a female 49 yrs old I have been plagued with sever stomach pain Nauses Vomitting Gas Bloating Watery stool i crawl into the fetal position and dont move for 24 to 48 hours until it has passed thru my body I belch Rotten Egg Taste and Smell this went from 1 to 3 attacks in a matter of 5yrs now how ever it is been more frequent having attacks as often as 5 times within the past yr also the attack vary on severity but all same symptoms! i was recently hospitalized where I had blood work Hida scan cat scan ultra sounds endoscope all normal except Polyps in stomach one is being biopsy now ive had colon oscopy to all so polyps those were removed and has been biopsy non cancerous! Help what could i have looked at next?