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A. Well-differentiated hepatocellular carcinoma, showing a trabecular pattern (Hematoxylin & eosin). B. CD34 immunostaining highlights capillarization of sinusoids, with complete staining around vessel wall. C. CD10 immunostaining shows a peculiar canalicular pattern in HCC. D. Well-moderately differentiated cholangiocarcinoma growing in a trabecular pattern, similar to HCC (Hematoxylin & eosin). E. Strong and diffuse positivity for CK7. F. Strong and diffuse positivity for CK19.
