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Immunohistochemical images of glioblastoma stained for FLT4/VEGF-3. (A) Overexpression of FLT4/VEGF-3 in patients with glioblastoma with a worse prognosis. (B) Moderate positivity in patients with a better prognosis (staining is notably reduced compared with that in patients with a worse prognosis). (C) Negative control. All images depicted are at ×20 magnification. FLT4, Fms-related tyrosine kinase 4; VEGF, vascular endothelial growth factor.
