Xia & He Publishing Inc. Feb 28 2025 Hepatic biliary adenofibroma (BAF) is a rare benign bile duct neoplasm that has garnered increasing attention due to its potential role as a precursor lesion for intrahepatic cholangiocarcinoma (iCCA). Although it shares histopathological features with other biliary tumors, BAF is distinct in its composition, consisting of low-grade tubuloglandular and microcystic bile duct structures embedded in a dense fibrous stroma. Despite its classification as a benign