Pathological features of hereditary non-polyposis colorectal cancer polyps
| Hyperplastic polyps (n=17) | Adenomas (n=30) | |
| Location | ||
| Proximal colon | 2 | 8 |
| Distal colon | 13 | 22 |
| Unknown | 2 | 0 |
| Size (mm) | ||
| <5 | 13 | 14 |
| 5–9 | 4 | 9 |
| 10+ | 0 | 7 |
| Dysplasia | ||
| Low grade | — | 13 |
| High grade | — | 17 |