Fig. 1
a A coronal computed tomographic image showing a huge abdominal tumor extending from the retroperitoneum to the pelvis. b Axial contrast-enhanced computed tomography of the abdomen showing heterogeneous enhancement. The tumor shows bilateral encasement by the common iliac artery. c and d Axial fluorodeoxyglucose positron emission tomography/computed tomography showing abnormal accumulation with a maximum standardized uptake value of 4.20 (arrows)