Fig. 5From: Pericardial malignant infiltration as the cause of sudden death of a patient with metastatic urothelial carcinoma treated with atezolizumabNegative PD-L1 status determined immunohistochemically using the rabbit monoclonal antibody against PD-L1 (28-8 clone, Merck Cell Marque, Rocklin, California, USA)Back to article page