<prompt> All are true about chronic pancreatitis exceptCharacterized by irregularities of pancreatic ducts, duct strictures and areas of dilation60-80 will give history of acute episodesCT scan showing pancreatic calcification is diagnostic of chronic pancreatitisSerum amylase is always raised  <response>: Amylase and lipase levels are not always elevated in chronic pancreatitis, making the diagnosis often clinical Cambridge criteria for chronic Pancreatitis on ERCP Stage Typical Changes Normal Normal appearance of side branches and main pancreatic duct Equivocal DilatationObstruction of 3 side branches ; normal main pancreatic duct Mild DilatationObstruction of 3 side branches;normal main pancreatic duct Moderate Additional stenosis and dilatation of main pancreatic duct Severe Additional obstructions, cysts, stenosis of main pancreatic duct ;calculi Ref: Sabiston 20th edition Pgno : 1531-1536 