FOLH1 and cancer: Methods: We assessed FOLH1 expression from the Open Pediatric Cancer Project (OpenPedCan, n = 2132 specimens), the Cancer Genome Atlas (TCGA, n = 10,411 specimens), and the Genotype Tissue Expression Project (GTEx, n = 17,382 specimens) in relation to published reports of PSMA radionuclide uptake in various tumors.