CD274 and neoplasm: For the highest PD-L1-expressing tumor, the uptake was quite low at 120 h p.i. (approx. 1.5 %IA/g) in comparison to several non-target tissues at the same time point (blood pool: approx. 2.2 %IA/g, spleen: approx. 2.0 %IA/g, lung: approx. 3.8 %IA/g, kidney: approx. 2.4 %IA/g).