CDH2 and nonpapillary renal cell carcinoma: As expected, a significant increase in NCAD was found in ccRCC and pRCC (60.5% (23/38), p = 0.0001 and 55.3% (21/38), p = 0.0004, respectively) compared to normal kidney tissues (13.3% (4/30)) (Figure 9B and Table S6).