Table 3. Modified NIH risk of recurrence (21).
Risk | Tumor size (cm) | Mitotic count (HPF) | Tumor site |
---|---|---|---|
Very low risk | <2 | <5/50 | Any |
Low risk | 2.1–5 | <5/50 | Any |
Intermediate risk | <5 | 6–10/50 | Gastric |
5.1–10 | <5/50 | Gastric | |
High risk | Any | Any | Perforated tumor |
>5 | >5/50 | Any | |
>10 | Any | Any | |
Any | >10/50 | Any | |
2.1–5 | >5/50 | Non-gastric | |
5.1–10 | <5/50 | Non-gastric |
HPF, high power field.