FOLH1 and metastatic malignant neoplasm in the lymph nodes: On the basis of these reports, Haffner et al. conducted an IHC analysis in 199 patients who underwent surgery for gastric adenocarcinoma, reporting PSMA expression on tumor neovessels in 66.4% of cases and in 130 patients surgically treated for CRC, including 19 liver and 5 lymph node metastases, reporting endothelial PSMA expression in 84.6%, 64.2% and 80% of cases, respectively.