31. Gallstones form when bile stagnates in the gall bladder and becomes increasingly concentrated.32. Mary was admitted to a hospital Sunday, and had a gallstone removed. 33. In Eastern countries, gallstones are the most common cause of acute pancreatitis. 34. Gallstones are a common cause of inflammation of the gallbladder, called cholecystitis.35. He died unexpectedly in 1938 of complications following an operation to remove gallstones . 36. This also increases the risk of cholesterol gallstone formation. 37. The gallstones are normally found proximal to the left and right hepatic ducts. 38. The gallstones can cause more serious conditions like fibrinolys disorder or gallstone pancreatitis. 39. The gallstones can cause more serious conditions like fibrinolys disorder or gallstone pancreatitis. 40. Acute cholecystitis is associated with gallstones in over 90 per cent of patients.