FOLH1 and neoplasm: Tumor/muscle ratios (F(2,18) = 102.7; p < 0.0001) were highest for [89Zr]Zr-PSMA-DFO, and significantly different from [68Ga]Ga-PSMA-11 and [18F]F-JK-PSMA-7 at 2 h and 4 h.