biliary tract benign neoplasm +
cell type benign neoplasm +
bile duct disease +

adenofibroma +
adenoma +
adenomyoma +
ameloblastoma
ampulla of Vater benign neoplasm +
ampulla of Vater benign neoplasm +
angiomyolipoma +
benign mastocytoma
benign pleural mesothelioma
bile duct adenoma +
bile duct adenoma +
bile duct cancer +
bile duct carcinoma in situ
biliary papillomatosis +
biliary tract intraductal papillary mucinous neoplasm
Caroli disease
Caroli syndrome
cholangitis +
choledochal cyst
cholestasis +
chondroblastoma
chondroma +
common bile duct disease +
common bile duct neoplasm
extrahepatic bile duct leiomyoma
extrahepatic bile duct leiomyoma
extrahepatic bile duct lipoma
extrahepatic bile duct lipoma
fascioliasis
gallbladder benign neoplasm +
ganglioglioma +
germ cell benign neoplasm +
gonadoblastoma +
hemangioma +
hidradenoma +
insulinoma
leiomyoma +
lipoma +
low grade glioma +
microcystic adenoma
middle ear adenoma
neurilemmoma +
papilloma +
prostatic adenoma
rete ovarii adenoma +
seminal vesicle cystadenoma
squamous cell neoplasm +

extrahepatic bile duct cystadenoma
intrahepatic bile duct cystadenoma