Chronic pancreatitis and the risk of pancreatic cancer: 20 year multicenter follow-up study of 1500 patients.
Cohort formation is diagrammed in Figure 1. Of 2,015 subjects (the WHOLE group) fulfilling diagnostic criteria for chronic pancreatitis, 1552 considered free of pancreatic cancer for two full years following diagnosis with chronic pancreatitis (CP) comprised the primary study group (MIN-2). A further group CMIN-5) consisted of 1160 subjects with a minimum of five years pancreatic-cancer-free follow-up since their diagnosis with chronic pancreatitis.