FOLH1 and neoplasm: Compared with 177Lu-DOTAGA-ffk(Sub-KuE), tumor targeting of 177Lu-PSMA I&T was fast, with the highest uptake in tumor (7.96 ± 1.76 % IA/g at 1 h p.i.)xenografts and kidneys (107 ± 16 % IA/g at 1 h p.i.)(both PSMA-specific).