Fig. 2.

Gross findings of the tissue resected by autopsy. a Tumor and surrounding tissue resected by autopsy. Tumor (black arrow) was around right iliac vessels (black arrowhead), while separated from left iliac vessels (white arrowhead) and left kidney (red arrowhead). b Cut surface of the tumor. Reddish area due to bleeding was observed macroscopically. c Transverse plane of the tumor after fixation. d Enlarged view of the transverse plane. The tumor (black arrow) was located on the caudal side of the IVC filter (red arrow).