Retrospective data • Review • Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1)
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PD-L1 expression • HER-2 negative
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Keytruda (pembrolizumab) • Opdivo (nivolumab) • Kaitanni (cadonilimab) • Cejemly (sugemalimab)