Fig. 1From: Advanced-stage Wilms tumor arising in a horseshoe kidney of a 9-year-old child: a case reportCT images; coronal contrast-enhanced images, anterior to posterior cuts (a, b) showing a heterogeneous non-enhancing low-density mass (asterisks) arising from the right kidney crossing the midline (arrow head) to involve the left kidney (arrows). There is distortion and stretching of the calyces (arrows) of the relatively spared part of the remaining left kidney (c, d)Back to article page