Cystic hamartoma of renal pelvis It looks like and angiomyolipoma to me. (Kidney) [1175/1]
Oncocytoma (Kidney) [1175/2]
Wilms tumor, favorable histology (Kidney) [1175/3]
Medullary carcinoma (Kidney) [1175/4]
Renal cell carcinoma, clear cell and sarcomatoid (paucicellular) (Kidney) [1175/5]
Chromophobe cell carcinoma (Kidney) [1175/6]
Recurrent high grade prostatic adenocarcinoma (Bladder) [1175/7]
Classic seminoma (Testis) [1175/8]
Diffuse large B-cell lymphoma (Testis) [1175/9]
Choriocarcinoma (Testis) [1175/10]