The median normalised antigen levels (ng/mg protein) of uPA, uPAR, and PAI-1 were 0.41 (range 0.03 - 7.44), 0.51 (range 0.16 - 8.31), and 10.3 (range 1.28 – 3738.3), respectively, in the ccRCC tissues. Here, PLAU is linked to nonpapillary renal cell carcinoma.