What Are the Precursor and Early Lesions of Peripheral Intrahepatic Cholangiocarcinoma?

<table>Bile duct adenoma. (a) Ordinary bile duct adenoma is seen under hepatic capsule, and it is composed of well-developed bile ducts of interlobular bile duct sizes (inset). HE. (b) Occasionally, bile duct adenoma with columnar epithelium and plenty cytoplasm shows compact growth. HE.</table>

International Journal of Hepatology

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Figure 1

Figure 1: What Are the Precursor and Early Lesions of Peripheral Intrahepatic Cholangiocarcinoma? 