cases, kidney Week 305: Case 5 April 26, 2023 pathadmin 1. Presented by Jonathan Epstein, M.D. and prepared by Danielle Wehle, M.D.An 82 year old female was found to have a kidney mass and a section of the ureter was submitted.Nested variant of urothelial carcinomaFlorid proliferation of von Brun nestsInverted urothelial papilloma 1. Presented by Jonathan Epstein, M.D. and prepared by Danielle Wehle, M.D.An 82 year old female was found to have a kidney mass and a section of the ureter was submitted.