SSTR2 and neoplasm: The analysis of biodistribution in male SCID mice with twin HEK293-SSTR2 and wtHEK293 xenografts revealed extended tumor retention and reduced kidney uptake for [67Ga]Ga-DATA5m-LM4 in HEK293-SST2R xenograft-bearing mice, as opposed to [67Ga]Ga-DOTA LM3.