Fig. 2

Follow-up CT scans shows rapid progression of the lateral aortic metastasis (white head arrows) near the endoprosthesis (white arrows). a Initial postoperative CT scan shows a non-enhancing lateral aortic lesion which is difficult to differentiate from an excluded aneurysmal cavity. b One month later CT scan shows an important tumor’s size increase with a minimal peripheral enhancement (b). c Six months later, CT scan shows an important tumor progression