| NCCN Risk Stratification |
| Mitotic Index, HPF |
Size, cm |
Site and Risk Group (Risk of Progression %) |
| |
|
Gastric |
Duodenum |
Jejunum/Ileum |
Rectum |
| ≤5 per 50 |
<2.0 |
None (0) |
None (0) |
None (0) |
None (0%) |
| 2.1–5.0 |
Very Low (1.9) |
Low (4.3) |
Low (8.3) |
Low (8.5) |
| 5.1–10.0 |
Low (3.6) |
Moderate (24) |
Insufficient Data |
Insufficient Data |
| >10.0 |
Moderate (10) |
High (54) |
High (34) |
High (57) |
| >5 per 50 |
<2.0 |
None (0) |
Higha |
Insufficient Data |
High (54) |
| 2.1-5.0 |
Moderate (16) |
High (73) |
High (50) |
High (52) |
| 5.1-10.0 |
High (55) |
High (85) |
Insufficient Data |
Insufficient Data |
| >10.0 |
High (86) |
High (90) |
High (86) |
High (71) |
|