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| Macroscopic description | |
|
| (i) Exact anatomical site | |
| (ii) Margins distance | |
| (iii) Size of the lesion | |
|
| Microscopic description | |
|
| (i) Description inclusive of all relevant aspects according to specific anatomical site (structure, necrosis, etc.) | |
| (ii) Supporting immunohistochemistry | |
| (iii) Mitotic count per 10 HPF (2 mm2) and number of mitoses assessed in 50 HPF | |
| (iv) Ki-67 index per 400–2,000 cells (hot spots) | |
| (v) Node status | |
| (vi) Margins status | |
|
| Diagnosis | |
|
| (i) Definition (NET or NEC) | |
| (ii) Cell component (functioning cases only) | |
| (iii) Grade (1, 2, or 3) | |
| (iv) Tumor-node-metastasis stage | |
|