Case Report

Retroperitoneal Cystic Nodal Metastasis of Renal Cell Carcinoma

Figure 2

The cancer nests of the epithelial cells with a clear cytoplasm and a distinct cell membrane, separated by many capillary vessels (a) and perinephric fat invasion in the renal tumor (b). The same histological nests are seen in the renal tumor and the cystic lymph node (c).
(a)
(b)
(c)