cases, kidney Week 271: Case 2 April 26, 2023 pathadmin 1. Presented by George Netto, MD. and prepared by Danielle Wehle, M.D.A 36 year old man underwent a radical nephrectomy for a 32 cm renal mass. On imaging studies, the tumor extended to the retroperitoneum with secondary metastasis to liver and lung.Renal cell carcinoma with sarcomatoid featuresUrothelial carcinoma with sarcomatoid featuresDedifferentiated liposarcomaMalignant solitary fibrous tumor 1. Presented by George Netto, MD. and prepared by Danielle Wehle, M.D.A 36 year old man underwent a radical nephrectomy for a 32 cm renal mass. On imaging studies, the tumor extended to the retroperitoneum with secondary metastasis to liver and lung.
