This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdominal Radiography, Subject name: Radiology
Chain of lakes appearance is seen in? 
Select and explain. 
A. Chronic pancreatitis, B. Acute pancreatitis, C. Gall stone ileus, D. Sub-acute intestinal obstruction
A: Chronic pancreatitis
Answer: A: Chronic pancreatitis 
Explanation: Ans. (a) Chronic pancreatitisRef.Sutton's Radiology 7thedn volume 1 p 798, Sabiston textbook of surgery 18thed ch