Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastrointest Surg. Feb 27, 2013; 5(2): 16-21
Published online Feb 27, 2013. doi: 10.4240/wjgs.v5.i2.16
Table 1 Fletcher criteria for risk stratification of gastrointestinal stromal tumors
RiskTumor size (cm)Mitotic count (/50 HPF)
Very low-risk> 2< 5
Low-risk2-5< 5
Intermediate risk< 56-10
5 - 10< 5
High-risk> 5> 5
> 10any mitotic rate
any size> 10