of 53 patients who had previously had pancreatitis , 33 had pancreatic-duct reflux on their cholangiogram ( 62.3 % ) , whereas , of 561 patients with no history of pancreatic disease , pancreatic-duct reflux was seen in only 82 ( 14.6 % ) .
C0030305
pancreatitis
C0030286
pancreatic disease