| Macroscopic aspect | Number | Malignant cytology | Benign cytology | Percentage % |
| Diffuse tumor | 17 | 14 | 3 | 82.4% |
| Polyp | 16 | 14 | 2 | 87.5% |
| Nodule | 2 | 1 | 1 | 50% |
| Thickening wall | 3 | 2 | 1 | 67.7% |
| Total | 38 | 31 | 7 | 81.5% |