Fig. 3From: Imaging features and differences among the three primary malignant non-Wilms tumors in childrenCCSK in a 5-year-old boy. A Large tumor tissue was seen in the left kidney area, and the density of the tumor was uneven. Tumor tissue showed slight enhancement, less than the normal renal parenchyma (white arrow). B Sagittal bone window images showed low-density lesions (white arrow) in lumbar vertebrae, suggesting tumor metastasisBack to article page