PD-L1 blockade engages tumor-infiltrating lymphocytes to co-express targetable activating and inhibitory receptors ================================================================================================================== * Guillaume Beyrend * Esmé van der Gracht * Ayse Yilmaz * Suzanne van Duikeren * Marcel Camps * Thomas Höllt * Anna Vilanova * Vincent van Unen * Frits Koning * Noel F. C. C. de Miranda * Ramon Arens * Ferry Ossendorp