Malignancy risk

Tumor size (cm)

Mitotic index (per 50 HPF)

Primary tumor site

Very low

≤2 cm

≤5

Any

low

>2 - 5 cm

≤5

Any

Intermideate

≤5 cm

6 - 10

Gastric

>5 - 10 cm

≤5

Gastric

High

Any

Any

Tumor rupture

>10 cm

Any

Any

Any

>10

Any

>5 cm

>5

Any

≤5 cm

>5

Non gastric

>5 - 10 cm

≤5

Non gastric