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Biodistribution results. Tissue uptake (%ID/g) with the administration of 0.5 mg/kg 89Zr-labeled IBI322 at 72 h and 168 h in transgenic mice (B-hCD47; genotype: h/h) bearing an MC38 tumor (hCD47 and hPDL1) (a). CD47 and PD-L1 IHC staining and H&E staining of the tumors (Scale bar: 200 µm) (b). Black arrow indicates positive expression.
