Most<unk>  cases are of unknown etiology, making up around 75% of cases. Despite this, several things are associated with<unk> . Exposure to vinyl chloride, arsenic, thorotrast, radium, phenylhydrazine and use of androgens is known to contribute to the pathogenesis of<unk> . Cyclophosphamide, diethylstilbestrol and oral contraceptives use are also associated with<unk> . In addition<unk>  is associated with hemochromatosis (iron overload) and neurofibromatosis. A 2007 case report suggests a possible link between Schistosoma japonicum<unk>  fibrosis and<unk> . A study in Taiwan found no evidence to suggest that viral hepatitis a significant role in the pathogenesis of<unk> .
Liver angiosarcoma
Cholangiosarcoma
Cavernous liver hemangioma
Cholangiocarcinoma
Pancreatoblastoma
Liver abscess
Hepatoblastoma
Periampullary cancer