Utility of preoperative Neutrophil / Lymphocyte ratio (NLR) as a new objective prognostic tool in endoscopically treated upper tract urothelial carcinoma. A retrospective evaluation.

Introduction This exploratory retrospective analysis examined any potential prognostic role of pre-operative NLR for progression free survival (PFS) and time to endoscopically verified upper tract or bladder recurrence free survival (RFS), in upper tract urothelial cancer (UTUC) patients selected for endoscopic treatment with subsequent endo-surveillance.