Bowel obstruction occurs in the liver.
== Signs and symptoms ==Depending on the level of obstruction, bowel obstruction can present with abdominal pain, swollen abdomen, abdominal distension, and constipation
 gallstones in gallstone ileus, swallowed objects such as expandable water toys)Intestinal atresiaAfter abdominal surgery, the incidence of small bowel obstruction from any cause is 9%

