FOLH1 and neoplasm: RECIP 1.0 is a novel evidence-based response assessment framework recently developed by Gafita et al. that considers not only the dynamic change in tumor volume, defined as PSMA-positive tumor burden, but also the appearance of new lesions on follow-up PET/CT after [177Lu]Lu-PSMA RLT, combining both to group patients into four categories from complete response to progressive disease.