[Diseases of biliary tract in the context of association with oncological diseases of the digestive system].

Cancers of the gastrointestinal tract are widespread among the population and cause significant damage to the health care system. In order to improve the strategy of preventive measures and the detection of oncological diseases at the early stages, it is necessary to provide timely impact on possible risk factors contributing to the onset and progression of malignant neoplasms. This review demonstrates the association between the pathology of the biliary tract and oncological diseases of the digestive system, discusses the possible mechanisms of the influence of cholelithiasis and cholecystectomy on the development of malignant neoplasms of various parts of the gastrointestinal tract.