From 2015 to 2022, a total of 17 cases underwent PSMA-PET imaging (15 of 68Ga-PSMA and 2 of 18F-PSMA-1007), comprising eight cases of HCC (10–17), two of ICC (18, 19), one of combined hepatocellular-cholangiocarcinoma (CHC) (20), one liver metastasis of cholangiocarcinoma (CCA) (21), and five benign liver lesions (22–26), as detailed in Table 1. The gene discussed is FOLH1; the disease is cholangiocarcinoma.