This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
The following are complications of gallstone except 
Select and explain. 
A. Hemobilia, B. Cholangitis, C. Biliary enteric fistula, D. Acute pancreatitis
A: Hemobilia
Answer: A: Hemobilia 
Explanation: 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.