Wilms tumor
Wilms tumor

The tumor replaces most of the kidney. Only a limited area is grossly recognizable as kidney (arrow).
Areas of hemorrhage (H) and necrosis (N) are grossly evident.
Viable areas of tumor (T) appear light tan and fleshy.
(Description By:H. Yamase, M.D. )
(Image Contrib. by: UCHC )