Fig. 1From: A case of pulmonary adenocarcinoma showing rapid progression of peritoneal dissemination after immune checkpoint inhibitor therapyHistopathological findings of tissue specimens obtained under bronchoscopy. a Hematoxylin and eosin staining showing a well-differentiated adenocarcinoma (200Ă— magnification). b 22C-3 antibody staining against programmed death-ligand 1. Tumor proportion score, 23%Back to article page