Early symptoms mimic gallbladder inflammation due to gallstones. Cholecystectomy is a common treatment of symptomatic gallstones and other gallbladder conditions. The cholesterol contained in bile will occasionally accrete into lumps in the gallbladder, forming gallstones. Blockage of the bile duct may occur due to gallstones, cancer, or pancreatitis. Given the likelihood of recurrent gallstones, surgery to remove the gallbladder is often considered. In those with gallstones the gallbladder is often also removed. Eighty percent of cases of pancreatitis are caused by alcohol or gallstones. Ebert suffered from gallstones and frequent bouts of cholecystitis. Complications can include kidney stones, gallstones, and post-surgical adhesions. UDCA is produced in several countries for the treatment of gallstones and liver cirrhosis. By 2014 laparoscopic cholecystectomy had become the gold standard for the treatment of symptomatic gallstones. The most common form is cholesterol gallstones. Crohn's disease that affects the ileum may result in an increased risk of gallstones. Other forms include calcium, bilirubin, pigment, and mixed gallstones. Most people with gallstones do not have symptoms.