Fig. 1From: Challenges in treatment of a patient suffering from neuroendocrine tumor G1 of the hilar bile duct: a case reportPreoperative abdominal MRI. a Magnetic resonance cholangiopancreatography (MRCP) showed that the tumor was located near the bifurcation of the hepatic duct (blue arrow) with diffuse intrahepatic bile duct dilation (red arrow). b T1-weighted image (T1WI) showed that the tumor had lower signal intensity (SI) than the hepatic parenchyma (blue arrow). c T2-weighted image (T2WI) showed that the tumor had higher SI than the hepatic parenchyma (blue arrow). d Diffusion-weighted image (DWI) showed the tumor had higher SI than the hepatic parenchyma (blue arrow)Back to article page