PDGFRB and neoplasm: Immunohistochemical evaluation of LKB1, pAMPK, PD-L1, STING, p16, p53, CD24, Cyclin-D1, ZEB1, VEGFC, PDGFRα, PDGFRβ, and β-catenin protein expression was successfully performed in all 248 tumor specimens, as shown in Figure 2 and Figure 3.