Primary Small Bowel GIST Presenting as a Life-Threatening Emergency: A Report of Two Cases

Table 1

Fletcher et al. prognostic classification.

	Size (largest dimension)	Mitotic count
Very low risk	<2 cm	<5/50 HPF
Low risk	2–5 cm	<5/50 HPF
Intermediate risk	<5 cm	6–10/50 HPF
	5–10 cm	<5/50 HPF
High risk	>5 cm	>5/50 HPF
	>10 cm	Any mitotic rate