[A variant of Wilm tumor of the kidney characterized by the presence of cystic spaces separated by septa. The septa contain immature epithelial cells, immature stromal cells, and blastema cells. Surgical resection is usually curative. ( NCI )]
UMLS (NCI) C1266139Malignant Cystic Nephroma
Malignant Multilocular Cystic Nephroma