1A) Histopathological examination showing the neoplastic cells (blastemal component is predominant) from right kidney. 1B) Spermatic cord biopsy illustrating infiltration by neoplastic cells of Wilms tumor. Bilateral wilms' tumor metastasis to right spermatic cord. Ansari S, Miri-Aliabad G, Rakhshani N - International journal of hematology-oncology and stem cell research (2013). Not Altered. CC.