Fig. 3

a. Infiltration of the renal parenchyma by a solid high grade adenocarcinoma; b. Rare tubular structures with eosinophilic secretions (inlet: high power view of the glandular structures); c. Invasion of the renal sinus; d. Invasion of the renal pelvis; e. Invasion of the perirenal fat; f. Panoramic view of the ureter, showing diffuse infiltration by a highly necrotic neoplasm; g. High power view of the ureteral wall with infiltration by a high grade adenocarcinoma; h. Infiltration of the splenic capsule by high grade adenocarcinoma