<prompt> Feature of chronic pancreatitis with respect to pancreatic cancer are all exceptCalcificationDuct penetrating signDuctgland width ratio 0.5Dilation of bile and pancreatic duct  <response>: Irregularity of the pancreatic duct, intraductal or parenchymal calcifications, diffuse pancreatic involvement, and normal or smoothly stenotic pancreatic duct penetrating through the massduct penetrating sign or the diagnosis of chronic pancreatitis over cancer Ref: Sabiston 20th edition Pgno :1533 