CCKBR and lung carcinoid tumor: In medullary thyroid cancer, CP04-positive findings altered management in 33% of cases by enabling surgical resection, and CCK2R-targeted imaging has shown valuable outcomes in challenging atypical lung carcinoids.13 Notably, 89% of NETs patients showed CCK2R-positive disease despite many having negative somatostatin receptor 2 (SST-2R) expression.13