| Histology | Differentiated | 40 |
| Undifferentiated | 42 | |
| Size (mm) | 8 - 100 | Mean 35.5 |
| Operation | Total | 11 |
| Distal | 63 | |
| Proximal | 8 | |
| Partial | 0 | |
| LN resection | D1 | 11 |
| D1+ | 5 | |
| ≥D2 | 65 | |
| Unknown | 1 | |
| N factor | N1 | 52 |
| N2 | 25 | |
| N3 | 5 | |
| Stage | IB | 52 |
| IIA | 24 | |
| IIB | 5 | |
| IV | 1 | |
| Range | ≤D1 | 70 |
| D1 ≤ D1+ | 7 | |
| D1+ ≤ D2 | 2 | |
| >D2 | 3 |