ErbB4, Insulin R, and IGF-1R were phosphorylated in the papillary RCC (RE0020), Mer (Axl family) was phosphorylated in the oncocytoma (RE0150), and HGFR, PDGFRα, and PDGFRβ were phosphorylated in the renal pelvic carcinoma (RE0210, Fig.6). Here, PDGFRB is linked to oncocytic adenoma.