SSTR2 and neoplasm: In vivo evaluation in mice bearing xenografted AR42J or HCT116 (SSTR2-) tumors showed a tumor uptake of 7.20 ± 0.74% ID/g at 1 h p.i., which was superior to [[68Ga]Ga-DOTA-TATE] showing an accumulation of 5.75 ± 0.55% ID/g.