NCIt synonyms : Inverted Papilloma of the Renal Pelvis; Kidney Pelvis Inverted Papilloma; Inverted Papilloma of the Kidney Pelvis; Inverted Papilloma of Renal Pelvis; Inverted Papilloma of Kidney Pelvis;
NCIt definition : An endophytic urothelial neoplasm arising from the renal pelvis. It shares several
morphologic features with urothelial papilloma.;