Fig. 1

Diagnostic imaging. a Enhanced computed tomography scan showing a 13-cm tumor in the left lobe of the liver (long white arrow), with a tumor thrombus arising from the left hepatic vein into the inferior vena cava (short black arrow), and enlarged lymph nodes (white arrow head). b Coronal section image showing the tumor thrombus extending from the left hepatic vein via the inferior vena cava to the right atrium (short black arrow). c The main tumor was seemingly attached to the middle hepatic vein, but did not involve it (white arrow). d Transthoracic echocardiography showing a tumor thrombus extending from the inferior vena cava to the right atrium (short white arrow)