Suggest Remedy For Pain And Nausea After Gall Bladder Removal

about 1 year ago I had my gallbladder removed and I did not go to the follow up I simply forgot it. but know 1 and 1/2 years later I have been expericing upper left abdamanil pain under my left breast it started out only hurting at night when I slept. but know it hurts thought out the day. I have horrible case of acid reflux and take zantac and I also take a pill called Carafate. but sometimes the pain is more intence than some flairs. I have no clue what is going on, I have regular bowel movements and I also have nausea and voiting I don t understand.an when I vomit I burp a bit so I really don t think its gas. please help. could it be cancer?