Databases Factual Disease-Free Survival Humans Lymphocytes/*cytology/immunology Neoplasm Metastasis Neutrophils/*cytology/immunology Odds Ratio Prognosis Proportional Hazards Models Risk Assessment Survival Rate Urinary Bladder Neoplasms/immunology/mortality/*pathology Urologic Neoplasms/immunology/mortality/*pathology Bladder cancer Metastatic unresectable urothelial carcinoma Neutrophil-Lymphocyte ratio Unresectable urothelial carcinoma