Surgical treatment of malignant biliary papillomatosis invading adjacent organs: A case report

Figure 1 Preoperative body examination and magnetic resonance imaging. A: A T-tube for biliary drainage with grey-white, hyperplastic granulation tissue (with a stench) surrounding the tube; B: Magnetic resonance imaging demonstrates a huge mass in the gallbladder area, embedding in the common bile duct where a drainage tube was seen.