FOLH1 and hepatocellular carcinoma: The study confirms the relevance of the PSMA-guided approach in imaging and theranostics [27,28]; furthermore, it confirms that, with this receptor expressed on the tumour neovasculature, it will be apt to image many cancer forms other than prostate cancer, including clear cell renal carcinoma, thyroid cancer, and hepatocellular carcinoma [17,29,30].