The results showed that DLEU2 and LINC00115 were markedly overexpressed in ccRCC samples compared with normal tissues, whereas the expression levels of COL18A1-AS1 and SNHG10 were remarkably lower in tumor tissues than those in the adjacent non-tumor samples (Figure 6C–N). This evidence concerns the gene COL18A1 and nonpapillary renal cell carcinoma.