3Garcia-Carbonero R, Capdevila J, Crespo-Herrero G, et al. Inci- dence, patterns of care and prognostic factors for outcome of gas- troenteropancreatic neuroendocrine tumors (GEP-NETs) :results from the National Cancer Registry of Spain(RGETNE)[J]. Ann Oncol,2010,21(9) :1794.
4Blumenfeld W. Chandhoke DK, Sagerman P, et al. Neuroendo- crine differentiation in gastric adenocarcinomas. An immunohisto- chemical study[J]. Arch Pathol Lab Med, 1996,120(5) : 478.
5MaggardMA, OcConnell JB, Ko CY, et al. Updated population based review ofcarcinoid tumors[J]. Ann Surg, 2004, 240 ( 1 ) : 117.
6Yoon JB, Sung SP,JongHK, et a. 1 Gastric neuroendocrine car- cinomazelinicopathologic review and immunohistochemical study of E cadherin andK-i 67 asprognosticmarkers[J]. JSurgOncol 2007,95(2) :110.