enlarged pancreatic duct symptomspancreatic duct blockagepancreatic duct carcinomamalignant neoplasm of pancreatic ductcholangiocarcinoma pancreatic cancerpancreatic cholangiocarcinomapancreatic ductaldilated biliary ductbiliary duct cancerbreast cancer in ductcancer of the pancreatic ductnordfab ducting