Fig. 2


Incidence rate ratios of gastrointestinal and hepato-biliary-pancreatic cancers in case group compared to matched control. (a) Overall gastrointestinal and hepato-biliary-pancreatic cancer, entire period, (b) Overall gastrointestinal and hepato-biliary-pancreatic cancer, according to follow-up period, (c) Incidence rate ratios according to cancer site and follow-up period.