Histopathologic report:

Wilms tumour (nephroblastoma), multicentric, left kidney

  • tumor size: 2.8 cm in widest dimension
  • no lymphovascular invasion identified
  • renal capsule, renal vessels, hilar and ureteral margins, free of tumour
  • necrosis comprising 90% of the tumour
  • other findings:
    • mild chronic interstitial inflammation
    • renal vein stump, negative for tumor
    • endothelial wall of the inferior vena cava, negative for tumor