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The cHCC-CCA nodule of Case 4. The computed tomography (CT) scan indicates three tumors in the portal (a) and late (b) phases. The arrow indicates the cHCC-CCA nodule while the arrowheads show HCC nodules. Macroscopically, the cHCC-CCA nodule—indicated by the arrow—is white (c), while the multiple HCC nodules are green (d). The microscopic findings show that the nodule consists of two components (e): CCA (f) and HCC (g), surrounded by a CCA component.
