CD8A and nonpapillary renal cell carcinoma: In a survey of the other immune cell types, we found that the unique features of ccRCC immune infiltration extends to high levels of CD8+ T cells, plasmacytoid DCs (pDC), T cells, cytotoxic cells, and neutrophils; and low levels of Th2 and Treg cells compared with the other 18 cancer types (Additional file 1: Figure S13).