Frequency of discordance in programmed death ligand 1 (PD-L1) expression between primary tumors and paired distant metastases in advanced cancers: A systematic review and meta-analysis.
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DOI: 10.1200/jco.2019.37.15_suppl.e14290
Abstract: e14290 Background: Randomized trials have demonstrated that PD-L1 expression in tumor cells predicts for response to PD-1 or PD-L1 checkpoint inhibitors in advanced cancers. However, the frequency of discordance in PD-L1 expression between primary tumors… read more here.
Keywords: expression; distant metastases; expression primary; paired distant ... See more keywords