PEBP1 and nonpapillary renal cell carcinoma: To increase patient numbers, a new TMA was analyzed, which contained 14 RKIP-positive and 32 RKIP-negative ccRCC (Supplementary Table 3); 3/14 (21.4%) RKIP-positive and 12/32 (37.5%) RKIP-negative ccRCC patients died from the disease (Supplementary Table 3).