The PSMA-positive tumor-to-muscle ratio was 9.3 ± 2.0 (nFOV = 60) and the PSMA-negative tumor-to-muscle ratio was 0.6 ± 0.2 (nFOV = 30) (Figure 4 and Figure 5, Supplemental Figure S6, Supplemental Tables S16 and S17), highlighting the tracer’s PSMA specificity. Here, FOLH1 is linked to neoplasm.