CD274 and neoplasm: Under blocking conditions at 1–2 h p.i. and, the liver uptake is reduced by 63% (SUVmax = 1.25 ± 0.13 vs SUVmax = 3.41 ± 0.19) and the accumulation in the PD-L1 positive tumor is lowered by 13% (SUVmax = 1.48 ± 0.44).