SLC2A1 and gastrointestinal stromal tumor: In the multivariate analysis, however, only high expression of GLUT-1 (HR 1.7, CI 95% 1.1–2.7, P = 0.021) was a significant independent prognostic indicator of poor DSS.Conclusion. GLUT-1 is a significant independent negative prognostic factor in non-GIST STS.