In patients with previous history of the statistics, diabetes, gallstones, and peptic ulcer were 20.1%, 7.3%, 7.2% ranked top three. While pancreatic cancer has been considered to be the main incentive for chronic pancreatitis only 3.4 percent. For this result, the presence of many doctors expressed surprise.
     In the treatment of pancreatic cancer, 39.4 percent took resection (1988 compared to an increase of 0.6 percentage points), 33.2% by the non-removal treatment, 21.1 percent were conservative surgery (year-on-year decrease 8.2 percentage points) , 3.5% only implemented a laparotomy (year-on-year decrease of 5.6 percentage points). Because worsening of the illness which has been introduced to the increase in the number of patients is likely to cause a rise in the proportion of non-surgical causes.
     On surgery, 10 years ago, accounted for more than half of the pancreatic duodenal surgery has dropped significantly to 37.9% (year-on-year drop of 20.8 percentage points). In its place is a brand-new pyloric ring pancreatic duodenal surgery. This technique has gradually risen to 26.2 percent, which increasingly see that people tend to choose the importance of improving the QOL in patients with surgical method.