Fig. 1From: Survival analysis of patients with extrahepatic cholangiocarcinoma: a nomogram for clinical and MRI featuresMRI image of a patient with distal cholangiocarcinoma. (A) and (B) T2-weighted images showing the lesion’s location, size, morphology, and MRI signal characteristics. (C) Diffusion-weighted images showing a intermediate/high signal for the tumor. (D) Apparent diffusion coefficient (ADC) map showing a low signal for the tumor. The red arrows pointed to the tumorBack to article page