Figure 1From: Detailed analysis of immunologic effects of the cytotoxic T lymphocyte-associated antigen 4-blocking monoclonal antibody tremelimumab in peripheral blood of patients with melanomaGrade 3 colitis with tremelimumab. High magnification images of a biopsy of the colon in patient 1114. Sections from paraffin-embedded tissue were stained by hematoxylin-eosin (H&E) and CD3, CD4, CD8, CD68, and granzyme B by immunohistochemistry using commercially available antibodies.Back to article page