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Liver - Arginase-1 positive hepatocellular carcinoma. A moderate intensity stroma staining represents a contamination effect due to very high arginase-1 levels in the surrounding tumor cells. |
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Liver - Hepatocellular carcinoma showing strong arginase-1 immunostaining in all tumor cells. |
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Stomach - Intestinal type gastric adenocarcinoma (arginase-1 negative) containing many arginase-1 positive granulocytes. |
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Uterus - Arginase-1 negative squamous cell carcinoma of the uterine cervix, infiltrated by arginase-1 positive granulocytes. |
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