What are the causes of cholangiocarcinoma?
Nausea, anorexia, satiety and insomnia. How long has the course of disease been? Is defecation normal? What examinations and treatments have you done? According to your description, considering the possibility of chronic gastritis and indigestion, it is recommended to do abdominal color Doppler ultrasound and gastroscopy. The etiology of cholangiocarcinoma includes bacterial infection, viral infection, biliary parasites, biliary stones, congenital dysplasia of bile duct and so on.