SSTR2 and neoplasm: [213Bi]Bi-3p-C-NETA-TATE and [177Lu]Lu-3p-C-NETA-TATE will be evaluated as potential therapeutic partners for NETs in a theranostic setting in combination with [18F]AlF-3p-C-NETA-TATE as the diagnostic partner using SSTR2 overexpressing mouse tumor models.