FOLH1 and neoplasm: In this regard, several standardized framework systems for the interpretation of radiotracers with potential theranostic implications have been introduced, such as the PROstate cancer Molecular Imaging Standardization Evaluation (PROMISE), the European Association of Nuclear Medicine and Molecular Imaging and Society of Nuclear Medicine and Molecular Imaging joint procedure guideline for PSMA-targeted PET (EANM), and the NeuroEndocrine Tumor Positron Emission Tomography (NETPET) grading system for NETs [12–14].