CGA and neoplasm: Treatment response was analyzed by RECIST 1.1 criteria, total tumor volume (PET-based TTV), and Chromogranin A (CgA).<h4>Results</h4>At baseline, all patients showed high lesional uptake, with the highest in the bone (mean SUV<sub>max</sub> 41.4 ± 87.3) and a high Krenning Score of 3-4, Suggestive for PRRT eligibility.