Additional file 3: of VISTA expression associated with CD8 confers a favorable immune microenvironment and better overall survival in hepatocellular carcinoma ZhangMing PangHua-Jin ZhaoWei LiYu-Fa YanLi-Xu DongZhong-Yi HeXiao-Feng 2018 Figure S2. Immunohistochemically staining of CD8 proteins in patients with hepatocellular carcinoma. Representative images of different density of CD8+ tumor infiltrating lymphocytes. (TIF 56816 kb)