This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Radiology Q Bank, Subject name: Radiology
A 30 years old known alcoholic patient presented to EMOPD with a complaint of severe pain in the abdomen. On examination, rigid abdomen is seen. Patient also had multiple episodes of pain in the abdomen for the last 4-5 years and lost 5 kg of weight in the past 6 months. Serum lipase and amylase level is normal. CECT abdomen was perfomed . What is the most likely diagnosis? 
Select and explain. 
A. Acute pancreatitis, B. Chronic pancreatitis, C. Adenocarcinoma of pancreas, D. Periampullary carcinoma
B: Chronic pancreatitis
Answer: B: Chronic pancreatitis 
Explanation: - CT shows atrophy of the pancreas with multiple calcific foci within it. Chronic pancreatitis: Has calcifications On MRCP / ERCP - Beaded / toures appearance of the pancreatic duct - String of Pearls/string of beads appearance - Chain of lake appearance On Barium - Reverse 3 sign of Frostburg (also seen in Ca Head of Pancreas) Figure: Chain of lakes appearance on MRCP image