cases, kidney Week 597: Case 1 April 26, 2023 pathadmin 1. Presented by Jonathan Epstein, M.D. and prepared by Sarah Karram, M.D.A 54 year old female was noted to have a 4 cm renal mass.Multicystic nephromaTubulocystic carcinomaCollecting duct carcinomaTubular oncocytoma 1. Presented by Jonathan Epstein, M.D. and prepared by Sarah Karram, M.D.A 54 year old female was noted to have a 4 cm renal mass.