Fig. 2From: Metachronous immune-related adverse events involving type 1 diabetes and isolated adrenocorticotropic hormone deficiency associated with pembrolizumab monotherapy for metastatic head and neck cancer: a case reportHistopathology of the submandibular lymph nodes. Hematoxylin and eosin (HE) staining A and immunostaining with PD-L1 IHC 22C3 pharmDx assay (Agilent Technologies, Santa Clara, CA, USA) (B). The combined positive scoring (CPS) count was 100Back to article page