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Table 2 2010 WHO NETs classification

From: An unusual case of a well-differentiated neuroendocrine tumour of the ileum with peritoneal carcinomatosis: a case report

Definition

Grade

Ki-67%

Mitotic index

NET - neuroendocrine tumour, low grade

G1

≤2

<2

NET - neuroendocrine tumour, intermediate grade

G2

3 to 20

2 to 20

NET - neuroendocrine carcinoma, high grade

G3

>20

>20

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World Journal of Surgical Oncology

ISSN: 1477-7819

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