Pancreatic necrosis
Pancreatic pseudocyst / abscess
Portal vein thrombosis
Abdominal compartment syndrome
Abdominal pseudoaneurysm
Intra Abdominal hemorrhage
Cardiac dysfunction
Renal failure
Respiratory failure
Shock
Hypocalcemia (due to sequestration in necrotic fat)
Hyperglycemia
Pleural effusion with high amylase
Acute pancreatitis
Gastroesophageal reflux disease 
Acute calculous cholecystitis
Peptic ulcer disease with or without perforation
Chronic pancreatitis
Gastritis
Duodenal hematoma
Pancreatitis