Harmonization of programmed death‐ligand 1 immunohistochemistry and mRNA expression scoring in metastatic melanoma: a multicentre analysis. - Darmon‐Novello, Marie; Adam, Julien; Lamant, Laurence; Battistella, Maxime; Ortonne, Nicolas; Balme, Brigitte; de la Fouchardière, A; Chaltiel, Leonor; Gerard, Emilie; Franchet, Camille; Vergier, Béatrice (Histopathology, 2022)