One-way ANOVA revealed that the tumor/kidney ratio of [89Zr]Zr-PSMA-DFO was significantly higher after 24 h than at earlier time points, and compared to [68Ga]Ga-PSMA-11 at 2 h and 4 h (F(6,20) = 38.3, p < 0.000, post hoc p < 0.05). The gene discussed is FOLH1; the disease is neoplasm.