FOLH1 and nonpapillary renal cell carcinoma: In the same study, the authors analyzed the relationship between survival of ccRCC patients and PSMA expression in IHC, and observed different median OS of 37.5, 24, and 34 months in groups with low or no expression, moderate expression, and high expression of PSMA, respectively, although the results did not reach statistical significance (p = 0.20) [61].