| opisthorchis felineus infection and cholangiocarcinoma in the russian federation: a review of medical statistics. | opisthorchis felineus (o. felineus) occurs in western siberia and many other parts of the russian federation (rf). the true extent of its distribution is not known. chronic infection may lead to severe hepatobiliary morbidity. according to surgical and experimental reports, long-term infestation might significantly increase the risk for cholangiocarcinoma (cca). to date, no association between o. felineus infection and cca has been demonstrated. the objective of this study was to review existing ... | 2016 | 27474689 |