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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