<prompt> Most common complication of acute and chronic pancreatitis isPoal vein thrombosisPancreatic abscessPseudocystPancreatic head mass  <response>: .Complications of acute pancreatitis Shock-hypovolaemic and septic Respiratory failure and ARDS--Common in 7 days Septicaemia--Common after 7 days Hypocalcaemia Disseminated intravascular coagulation DIC Acute renal failure Pancreatic pleural--effusion left sided 20 Pancreatic pseudo aneurysm Pancreatic ascites Colonic stricture Pseudocyst of pancreas Chronic pancreatitis Splenic vein thrombosis Pancreatic abscess. ref:SRB;S manual of surgery,ed 5,pg no 618 