papillary urothelial neoplasm urinary tract non-invasive transitional cell neoplasm urothelial papilloma https://www.malacards.org/card/bladder_transitional_cell_papilloma urothelial papilloma ONCOTREE:UPA ICDO:8120/1 A rare benign condition, characterized by a papillary growth in the urinary tract with a central fibrovascular core. The latter is lined by normal urothelium. UMLS:C0235754 uPA MEDGEN:115999 DOID:6933 NCIT:C3842 MONDO:0004041 bladder transitional cell papilloma benign urinary system neoplasm transitional cell papilloma