Choledocholithiasis Choledocholithiasis Choledocholithiasis choledocholithiasis Choledocholithiasis Choledocholithiasis Choledocholithiasis Choledocholithiasis Choledocholithiasis Choledocholithiasis Choledocholithiasis choledocholithiasis "Common bile duct stone" http://en.wikipedia.org/wiki/Choledocholithiasis Choledocholithiasis Choledocholithiasis stone