The results revealed that in patients with high PD-L1 expression, the tumour uptake of [68Ga]Ga-NOTA-WL12 was higher (SUVmax: 4.87) than that in patients with low PD-L1 expression (SUVmax: 1.84).326 Another D-peptide antagonist radiopharmaceutical, [18F]AlF-NOTA-NF12, was reported by Zhou and his colleagues. Here, CD274 is linked to neoplasm.