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: Anatomy
Most common complication of acute and chronic pancreatitis is: 
Select and explain. 
A. Pancreatic abscess, B. Poal vein thrombosis, C. Pseudocyst, D. Pancreatic head mass
C: Pseudocyst
Answer: C: Pseudocyst 
Explanation: Pseudocysts occur in up to 10% of patients with acute pancreatitis, and in 20 to 38% of patients with chronic pancreatitis, and thus, they comprise the most common complication of chronic pancreatitis." Ref Schwaz 9/e p1200