PD-L1 expression in recurrent head and neck squamous cell carcinoma.
Alice DelafoyArnaud UguenGilles LemassonVirginie Conan-CharletOlivier PradierFrançois LuciaUlrike SchickPublished in: European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery (2021)
PD-L1 expression may vary throughout the course of the disease. A re-evaluation of PD-L1 expression on biopsies at the time of recurrence should be recommended.
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