Table 2. Clinicopathological data of immunohistochemically analyzed gastrointestinal GEP-NENs: Distribution of localization, grading, differentiation and metastatic status.
More detailed information about clinicopathological data of all 131 patients can be found in Supplement 3.
| Grading (WHO 2010) | G1 Ki-67 ≤ 2 |
G2 Ki-67 = 3-20 |
G3 Ki-67 > 20 |
total | |
|---|---|---|---|---|---|
| primary | Ileum | 38 | 12 | 1 | 51 |
| Colon | 9 | 2 | 8 | 19 | |
| Rectum | 4 | 1 | 6 | 11 | |
| other | 4 | 2 | 1 | 7 | |
| differentiation | well | 55 | 17 | 0 | 72 |
| poorly | 0 | 0 | 16 | 16 | |
| metastatic status | M0 | 38 | 6 | 5 | 49 |
| M1 | 14 | 11 | 11 | 36 | |
| N/A | 3 | 0 | 0 | 3 | |
| total | 55 | 17 | 16 | 88 | |