CD274 and colorectal cancer: To this end, some research teams proposed 68 Ga-labeled fibroblast activation protein inhibitor-04 (68 Ga-FAPI-04) (Li et al. 2024) and 89Zr-atezolizumab (anti-PD-L1) (Bensch et al. 2018) PET imaging has shown promising value in colorectal cancer detection.