cases, ureter Week 539: Case 3 April 26, 2023 pathadmin 1. Presented by Pedram Argani, M.D. and prepared by Robert E LeBlanc, M.D.This is a 58 year old female with a renal pelvic mass.PapillomaPapillary urothelial neoplasm of low malignant potentialLow grade papillary urothelial carcinoma, non-invasiveHigh grade papillary urothelial carcinoma, non-invasive 1. Presented by Pedram Argani, M.D. and prepared by Robert E LeBlanc, M.D.This is a 58 year old female with a renal pelvic mass.