EDNRA and glioblastoma: The potential of preoperative PET imaging when combined with fluorescence-guided surgery in an orthotopic GBM mouse model has also been the subject of interest for Hautiere et al., who evaluated the use of [89Zr]Zr-axiRA63-MOMIP as a theranostic approach targeting endothelin A receptors (ETA), which are highly expressed in GBM cancer stem cells [60].