cases, retroperitoneum Week 203: Case 4 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Dengfeng Cao, M.D. Ph.D.50 year-old male with a retroperitoneal mass/images/Cao_121304_case4a.jpg/images/Cao_121304_case4b.jpg/images/Cao_121304_case4c.jpg/images/Cao_121304_case4d.jpg/images/Cao_121304_case4e.jpgMalignant fibrous histiocytomaLeiomyosarcomaPleomorphic liposarcomaDedifferentiated liposarcoma Loading...