This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Most common complication of acute and chronic pancreatitis is 
Select and explain. 
A. Poal vein thrombosis, B. Pancreatic abscess, C. Pseudocyst, D. Pancreatic head mass
C: Pseudocyst
Answer: C: Pseudocyst 
Explanation: .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