In a PSMA-RGS feasibility study, Maurer et al. used the [111In]In-DOTAGA-(3-iodo-y)-f-k-Sub(KuE) (111In-PSMA-I&T, Figure 1) small molecule ligand to evaluate PSMA-RGS for the detection of metastatic PCa lesions 35. Here, FOLH1 is linked to posterior cortical atrophy.