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IBI322 selectively binds to dual antigen-expressing tumor cell PET/CT imaging in tumor-bearing mice. a, b Compared to anti-CD47, IBI322 showed significantly higher tumor uptake and lower heart, liver, and spleen uptake. Tumor and spleen are indicated by white pink circles, respectively. c Time course quantification of tumor uptake treatment with IBI322, anti-PD-L1, and anti-CD47
