Figure 2
From: Primary retroperitoneal carcinosarcoma in a child: a case report
The tumor measured at 21 × 14.6 × 12.1 cm with intact capsule. The removed right kidney was next to the tumor. Section of the tumor revealed greyish-white color, "fish-meat" shape inside with part of the capsule. There were spotted bleeding and cystic necrosis cavities filled with brown color fluid ranging 1.2 - 3.0 cm in diameter.