PDGFRB and neoplasm: Overexpression of the studied markers was found to be significantly correlated with high tumor grade (G3-4) (PDGFRα,β) and significant tumor burden: the extent of tumor venous thrombosis (PDGFRβ), pN+ stage (PDGFRα), and M+ stage (PDGFRβ), as well as adrenal metastases (PDGFRβ).