FOLH1 and neoplasm: The ultimate goal of this reported research is to develop 68Ga-labeled PSMA/FAP bispecific tracers with comparable or higher tumor uptake when compared to the monospecific tracers, [68Ga]Ga-FAPI-04 and [68Ga]Ga-HTK03041, a PSMA-targeting tracer previously reported by our group [34].