Objective:Explore and discuss the effects of pancreatic fistula(PF) after a surgery on patients with pancreatic cancer(PC),neuroendocrine pancreatic tumors(NPT) and chronic pancreatitis(CP).Methods: The clinical pathologic data of 197 patients who underwent a pancreatic surgery from May 2000 to May 2011 in our hospital were retrospectively evaluated.All of the patients were with PC,NPT or CP.The methods of the surgery have been collected.And the happening of PF is considered.Three different grades of PF(gra...