Pancreatic cancer often starts silently withoutsymptoms at its early stage but progresses quiterapidly and has a poor prognosis.In recent years theincidence of pancreatic cancer has been rising year byyear.The median survival time of such patients is shorterthan 6 months and the 5-year survival rate is less than 1%.Radical surgery for pancreatic cancer is the only Pancreatic cancer often starts silently without symptoms in its early stage but progresses quiterapidly and has a poor prognosis. In recent years theincidence of pancreatic cancer has been rising year byyear. The median survival time of such patients is shorterthan 6 months and the 5-year survival rate is less than 1%. Radical surgery for pancreatic cancer is the only