CD4 and nonpapillary renal cell carcinoma: During this study, using data from TIP and TCGA, we compared the infiltration levels of 14 kinds of immune cells (B cells, CD4 Naïve, CD4 Memory, CD8 Naïve, CD8 Memory, CD8 Effector, Treg cell, Th cell, Monocytes CD16, Monocytes CD14, DC, pDC, NK and Plasma) in ccRCC and adjacent normal tissues.