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Histology of the liver tumor. A, The liver tumor is composed of mixed hepatocellular carcinoma (HCC, arrow) and small cell carcinoma (SCC, arrowhead) components. The 2 components are separated by fibrous bands (original magnification ×100). B and C, The metastasized lymph nodes harbor only the SCC component (arrowhead) (Original magnification ×40 and ×100, respectively).
