In addition, a study conducted by Kratochwil et al. showed that 28 of the most prevalent cancers presented with remarkably high uptake and image contrast on 68Ga-FAPI PET/CT, suggesting that novel PET radiotracers targeting FAP may open up new applications for noninvasive tumor characterization, staging examinations, or radioligand therapy in cancer patients [325]. Here, FAP is linked to cancer.