Immunohistological quantification of PD-L1 using the combined positive score (PD-L1 positivity in tumor and tumor-infiltrating immune cells), showed a trend towards better engraftment for low combined positive score (CPS ≤ 10); whereas cases with high CPS were more likely to be rejected (CPS [yes] vs .
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Establishment and characterization of patient-derived head and neck cancer models from surgical specimens and endoscopic biopsies.
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