Gallbladder stones or Gallstones are the hardened pebble-like particles that form in the gallbladder, it is also called as cholelithiasis. There could be a single massive gallstone, hundreds of smaller stones, or a combination of small and large stones in the gallbladder. Usually, until symptoms occur, gallstones are not dangerous. Nevertheless, in the long term as they can cause biliary cholic and various other complications. Treatment is necessary, at least at that time.
