Many thanks for the mail. I have gone through the details fo your mail and could grasp its contents.
The pain in your stomach may or maynot be related to your gall stone operation. The causes in relation to your operation may be a stone in the common bile duct, a narrowing of the CBD, a stone in the cystic duct remnant etcc... Cuases unrelated to the operation include, chronic pancreatitis
, ulcer disease, sphincter of Oddi dysfunction etc.. Either way you need to have some definitve investgations before making a certain final diagnosis. Please see a gastroenterology physician and get going with the tests.