CD8A and nonpapillary renal cell carcinoma: Figure 3 also indicates that the grade 3–4 and stage T3–T4 ccRCC tumors have a significantly higher percentage of CD8+ T-cells compared to the stage T1–T2 and grade 1–2 tumors (P-value \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$<0.01$$\end{document}<0.01), which is consistent with the observations of Fig. 2.