MCAM and nonpapillary renal cell carcinoma: Among 18 predicted CpG sites of CD146, 15 CpG sites, including cg08187057, cg09042577, cg25484790, cg081861493, cg21096399, cg18890215, cg24827784, cg18165196, cg14976391, cg17466841, and cg11287851, were significantly correlated with the prognosis of ccRCC (Table 4).