cases Week 794: Case 1 July 16, 2023 jlee731 1. Case presented by Dr. Jonathan I. Epstein and prepared by Dr. Jae W. Lee. A 20 year old male underwent a radical nephrectomy for a 9.0 cm mass. The tumor invaded perirenal and hilar fat and was metastatic to multiple hilar lymph nodes. Renal medullary RCCCollecting duct carcinomaMetastatic adenocarcinomaInvasive urothelial carcinoma with glandular differentiation Loading...