<unk>  refers to small bowel obstruction resulting from the impaction of one or more<unk> s after they have migrated through a cholecystoenteric fistula.<unk>  is a rare disease and accounts for about 1−3% of mechanic<unk>  of the small bowel, but for 25% of all small bowel obstructions in patients older than 65 years.
Gallstone ileus
Gallstone pancreatitis
Acute cholecystitis
Chronic cholecystitis
Acute pancreatitis
Gallbladder volvulus
Chronic pancreatitis
Ascending cholangitis