<unk>  is twisting of a non solid organ around its mesentric axis.<unk>  is twisting or rotation of the<unk>  along the axis of the cystic duct and vascular pedicle (cystic artery).
Gallbladder volvulus
Gallstone ileus
Choledocholithiasis
Splenic abscess
Gallstone pancreatitis
Acute cholecystitis
Biliary fistula
Chronic cholecystitis