Biliary tuberculosis causing cicatricial stenosis after oral anti-tuberculosis therapy

Figure 4 Endoscopic retrograde cholangiopancreatography examination. A: The common hepatic bile duct was narrowed over a 2 cm section, and strictures and irregularities of the hepatic bile duct at the liver hilum were revealed; B: The hepatic ducts at the liver hilum were clumped with strictures of the feeding branches from each section of the liver.