NOD2 and nonpapillary renal cell carcinoma: There were 4 lncRNAs, 1 miRNA, and 5 mRNAs screened out: all of the lncRNAs, miR-144, and NETO2 positively influenced ccRCC patients' OS, whereas OS was negatively connected with NOD2, PAPPA, PCDH, and SPI2 (Figure 6).