As shown in figure 2B and online supplemental figure S3B , PD-L1 SPECT/CT imaging basically showed an increasing trend of 99m Tc-MY1523 uptake after RT; however, the changes in PD-L1 expression in tumors did not predict the treatment efficacy of combination therapy.
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Precise combination therapy of radiotherapy and immunotherapy guided by joint PD-L1 imaging and T-cell imaging.
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