Fig. 4

CT images of patients with and without lymph node metastases. a Patient with enlarged suspicious lymph node adjacent to the portal vein and hepatic artery who had no lymph node metastases on pathology. b Patient with enlarged suspicious lymph node adjacent to the hepatic artery who had lymph node metastases on pathology. c Patient with multiple suspicious lymph nodes based on size and inhomogeneity who had lymph node metastases on pathology