<prompt> Chains of lakes appearance seen inAcute pancreatitisChronic pancreatitisCarcinoma pancreasStrawberry gallbladder  <response>: ERCP in Chronic pancreatitis Detection of early pathologies and simultaneous treatment possible e.g., duct dilation, stent inseion Ductal stones, seen as filling defectsChain of lakes or string of pearls appearance characteristic featureIrregularity, dilation of the main pancreatic duct Ref: Sabiston 20th edition Pgno :1531-1536 