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Table 1 Incidence of NEN in Japan in 2016 [3]

From: Primary grade 2 neuroendocrine tumor of the ileal mesentery: a case report

Primary tumor site Diagnosed number in 2016 Adjusted incidence/100,000 people in 2016
Pancreas 1136 0.697
GI-NEN 5399 2.835
  Esophagus   262   0.098
  Stomach   1042   0.482
  Duodenum   442   0.195
  Jejunum/ileum   97   0.046
  Appendix   105   0.074
  Colon   278   0.118
  Rectum   3173   1.835
All cases 6735 3.532
  1. GI gastrointestinal