The following are complications of gallstone except

Hemobilia is bleeding from liver or gall bladder into the biliary tree due to an abnormal communication between a blood vessel and a bile duct.it is very rare in case of gallstones.It is commonly iatrogenic or due to accidental trauma. Cholangitis and pancreatitis are impoant complications of gallstones along with cholecystoduodenal /enteric/Choledochal fistula. Reference:SRB's manual of surgery,5th edition,page no:662.