PMC4738714_01
Tumor and surrounding liver parenchyma.
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fig1
Small cystic spaces were noted throughout the tumor (Figure 1).
Conventional biliary adenofibroma, H&E 4x.
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fig2
The tumor showed tubulocystic structures embedded in a bland spindled stroma, consistent with a conventional biliary adenofibroma (Figure 2).
Infiltrative border of tumor to surrounding liver, H&E 10x.
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fig3
Although the tumor appeared grossly circumscribed, microscopic examination showed infiltrative margins (Figure 3).