PDGFRA and neoplasm: The relationship between PDGFRα/β expression levels and various tumor characteristics—including tumor laterality, size, histological subtype, grade, pT stage, perinephric fat invasion, tumor-associated venous thrombosis, venous wall invasion, pN and M categories, and the presence of metastases in lymph nodes, lungs, bones, adrenal glands, and liver—was examined.