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The results of supplementary immunohistochemistry experiments. (A) the existence of moderately differentiated hepatocellular carcinoma (Grade 2) characterized by extensive necrosis within the liver tumor and bile duct resection specimen subsequent to liver cancer treatment (B) the presence of CD8 (partial lymphocytes+); (C) B-catenin (predominantly cytoplasmic+ in cancer cells; predominantly membranous+ in surrounding liver tissue); (D) a PD-L1 result of CPS=15.
