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Abstract. Angiogenesis is a potential prognostic factor that has been extensively investigated in patients with uveal melanoma (UM .30, 95% CI: 0.14-0.68, P=0.004) and scleral invasion (248 patients; OR=0.34, 95% CI: 0.15-0.78, P=0.01), significant clinicopathological information was provided. Our results indicated that VEGF expression in UM patients was significantly higher compared to that observed in controls. It was also significantly higher in patients who presented with scleral invasion and those who were aged <50 years. In addition, VEGF expression was higher in mixed-cell type and epithelioid-cell type UM and in patients with large-sized tumors.