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Table 3 Correlation of size and grading - Subgroup analysis

From: Intertumor heterogeneity in 60 pancreatic neuroendocrine tumors associated with multiple endocrine neoplasia type 1

pT

Group

Size (mm)

G1

G2

Ʃ

%

ENETS

AJCC/UICC

1

1

A

I

≤5

39 + 1a

0

40

66.7

II

6 ≤ 10

8

0

8

13.3

III

11 < 20

3

0

3

5.0

2

2

B

IV

≥20–40

5

2

7

11.7

3

> 40

2

0

2

3.3

 

58

2

60

100

  1. P: pathological; T: tumor, size in mm; G: Grading; G1: Ki-67 < 3; G2: Ki-67 3-20%; aduodenum;
  2. ENETS: European Neuroendocrine Tumor Society
  3. AJCC: American Joint Committee on Cancer; UICC: Union for International Cancer Control
  4. Group A (tumor diameter < 20 mm) vs group B (tumor diameter ≥ 20 mm): p = 0.000617
  5. Group I (tumor diameter ≤ 5 mm) vs Groups II to IV (> 6 mm): p = 0.041932
  6. Groups I + II (tumor diameter ≤ 10 mm) vs Groups III + IV (> 11 mm): p = 0.004018