FOLH1 and prostate cancer: However, PSMA is also overexpressed on the endothelial cells of the neovasculature of several other solid tumors, including RCC, paving the way to evaluate a possible role of PSMA PET/CT beyond the conventional application in prostate cancer (Chang et al. 2001; Baccala et al. 2007; Demirci et al. 2014; Siva et al. 2020).