Administration Intravesical Antineoplastic Combined Chemotherapy Protocols/*administration & dosage Carcinoma Transitional Cell/mortality/*pathology/*therapy Disease Progression Doxorubicin/administration & dosage/analogs & derivatives Epirubicin/administration & dosage Humans Mitomycin/administration & dosage Neoplasm Recurrence Local/*prevention & control Neoplasm Staging Randomized Controlled Trials as Topic Risk Factors Survival Rate Thiotepa/administration & dosage Time Factors Urinary Bladder Neoplasms/mortality/*pathology/*therapy Chemotherapy Meta-analysis Non–muscle-invasive bladder cancer Single instillation Systematic review