bladder, cases Week 187: Case 4 April 26, 2023 pathadmin 1. Presented by Jonathan Epstein, M.D. and prepared by Dengfeng Cao, M.D. Ph.D.A 49-year-old male with hematuria and a bladder mass.LeiomyosarcomaInflammatory myofribroblastic tumorAtypical inflammatory myofibroblastic tumor 1. Presented by Jonathan Epstein, M.D. and prepared by Dengfeng Cao, M.D. Ph.D.A 49-year-old male with hematuria and a bladder mass.