<unk> es usually develop in patients with pancreatic pseudocysts that become infected. They may also form as a result of fibrous wall formation around fluid collections or penetrating peptic ulcers. Other causes include gall stones or alcohol consumption and, in rare cases, drugs, blunt trauma and following extension<unk>  from nearby structures.
Pancreatic abscess
Pancreatic cyst
Pancreatic pseudocyst
Pancreatic fistula
Splenic infarction
Gallstone ileus
Acute pancreatitis
Biliary fistula