Antineoplastic Combined Chemotherapy Protocols/*therapeutic use Carcinoma Transitional Cell/*drug therapy/pathology Clinical Trials Phase II as Topic Clinical Trials Phase III as Topic Humans Neoplasm Metastasis Neoplasm Staging Practice Guidelines as Topic Randomized Controlled Trials as Topic Urinary Bladder Neoplasms/*drug therapy/pathology Immune checkpoint inhibitors Platinum-based chemotherapy Survival outcomes Treatment guidelines Urothelial carcinoma funded this work. MK PK and SD are employees of Evidera.

Carcinogenesis/genetics/*immunology/pathology *Genetic Predisposition to Disease Humans Inflammation/genetics/*immunology/pathology *Polymorphism Single Nucleotide Receptors Interleukin/*genetics Urinary Bladder Neoplasms/genetics/*immunology/pathology Bladder urothelial carcinoma Gene polymorphism Interleukin 17 Interleukin 23 Interleukin-23 receptor Natural killers Tumour-associated macrophages

Carcinoma Transitional Cell/mortality/surgery Cystectomy Disease-Free Survival Humans Nephroureterectomy Prognosis *Sex Factors Urinary Bladder Neoplasms/*mortality/*surgery Urologic Neoplasms/*mortality/*surgery carcinoma meta-analysis review [publication type] transitional cell urinary bladder neoplasms

Carcinoma Transitional Cell/*classification/*genetics/mortality Humans Predictive Value of Tests Survival Rate Treatment Outcome Urinary Bladder Neoplasms/*classification/*genetics/mortality Bladder cancer Molecular classification Molecular subtype Prognosis Progression Urothelial carcinoma

Carcinoma Transitional Cell/*drug therapy Humans Prognosis Receptors Fibroblast Growth Factor/*antagonists & inhibitors Urinary Bladder Neoplasms/*drug therapy Bladder cancer Fgfr FGFR inhibitors Fgfr3 Progression Urothelial carcinoma

cohort study intravesical recurrence meta-analysis nomogram preoperative urine cytology upper urinary tract urothelial carcinoma commercial or financial relationships that could be construed as a potential conflict of interest.

Urinary bladder neoplasms adjuvant chemotherapy meta-analysis neoadjuvant chemotherapy (NAC) form (available at http://dx.doi.org/10.21037/tau-20-571). Dr. XZ serves as an unpaid editorial board member of Translational Andrology and Urology from Mar 2015 to Feb 2021. The other authors have no conflicts of interest to declare.

Anti-Bacterial Agents/therapeutic use Antibiotic Prophylaxis Humans Meta-Analysis as Topic Postoperative Complications/drug therapy Systematic Reviews as Topic *Urinary Bladder Neoplasms/drug therapy/surgery *Urinary Tract Infections/drug therapy/prevention & control Antibiotic resistance Antibiotics Antimicrobial stewardship Bacteriuria Endourological surgery Guideline Recommendation Transitional cell carcinoma Urothelium cell carcinoma

*Cystectomy/adverse effects Humans Morbidity Postoperative Complications/epidemiology Retrospective Studies *Urinary Bladder Neoplasms/surgery bladder disorders surgery urological tumours

Aged Biomarkers/*blood C-Reactive Protein/analysis Cystectomy/*methods Female Humans Leukocyte Count Lymphocytes/pathology Male Middle Aged Neutrophils/pathology Platelet Count Preoperative Period Prognosis Proportional Hazards Models Retrospective Studies Urinary Bladder Neoplasms/blood/*mortality/*surgery Hematologic biomarker Meta-analysis Urothelial carcinoma of the bladder

*Anti-Infective Agents Humans *Urinary Bladder Neoplasms *Urinary Tract Infections Urologic Surgical Procedures

Cystectomy/adverse effects Humans Postoperative Complications/diagnosis/epidemiology/etiology Risk Factors *Robotic Surgical Procedures/adverse effects *Robotics Treatment Outcome *Urinary Bladder Neoplasms/surgery Urologic Surgical Procedures *Urology Complications European Association of Urology guidelines Outcome reporting Robot-assisted radical cystectomy Standardised tool

Aged Catheterization Female Hospitalization Humans Lasers Solid-State/*therapeutic use Male Middle Aged Muscles/*pathology Neoplasm Recurrence Local/pathology Postoperative Complications/etiology Publication Bias Treatment Outcome Urethral Stricture/surgery Urinary Bladder Neoplasms/pathology/*surgery *Urologic Surgical Procedures Holmium laser Meta-analysis Non-muscle-invasive bladder cancer Transurethral resection

Administration Intravesical BCG Vaccine/therapeutic use *Carcinoma in Situ/diagnosis/therapy Female Humans Male Neoplasm Invasiveness *Urinary Bladder Neoplasms/diagnosis/pathology/therapy *Urology *BCG unresponsive *Bacillus Calmette-Guerin (BCG) *Bladder cancer *Cystoscopy *Diagnosis *European Association of Urology (EAU) *Follow-up *Guidelines *Intravesical chemotherapy *Prognosis *Radical cystectomy *Transurethral resection (TUR) *Urothelial carcinoma

bladder cancer mediation socioeconomic status survival systematic review Janssen and undertakes research funded by UroGen Pharma and QED Therapeutics. We can confirm all other authors have no conflicts of interest to declare.

Cystectomy Humans Neoplasm Recurrence Local/surgery Prospective Studies *Urinary Bladder Neoplasms/surgery Urologic Surgical Procedures bladder cancer repeat restaging second look transurethral resection

Adjuvants Immunologic/adverse effects Administration Intravesical BCG Vaccine/adverse effects Humans *Urinary Bladder Neoplasms/drug therapy *Urology Antibiothérapie Antibiotic therapy BCG therapy BCG thérapie Bladder Carcinome urothélial Complications Endovesical instillations Instillations endovésicales Nmibc Tvnim Urothelial carcinoma Vessie

Adult Aged Aged 80 and over B7-H1 Antigen/genetics/*immunology Female Humans Immune Checkpoint Inhibitors/*administration & dosage *Immunotherapy Male Middle Aged Programmed Cell Death 1 Receptor/genetics/*immunology Progression-Free Survival Randomized Controlled Trials as Topic Treatment Outcome Urinary Bladder Neoplasms/genetics/immunology/mortality/*therapy efficacy immunotherapy meta-analysis safety urothelial cancer this study.

Guidelines as Topic Humans Immunotherapy/*methods Societies Medical/*standards Urinary Bladder Neoplasms/*drug therapy antineoplastic protocols immunotherapy urinary bladder neoplasms urologic neoplasms Pfizer AstraZeneca Nektar Seattle Genetics DragonFly Therapeutics Non-CME services: Genentech AstraZeneca Merck Seattle Genetics Contracted research: Genentech Merck AstraZeneca Nektar Seattle Genetics Immunomedics. PCB─Consulting fees: AbbVie Asieris Pharmaceuticals Astellas AstraZeneca Bayer Biosyent Bristol-Myers Squibb EMD Serono Ferring Fergene H3 Biomedicine Janssen Merck Roche Sanofi TerSera Urogen Contracted research: iProgen. MTC─Consulting fees: Pfizer EMD Serono AstraZeneca Exelixis Eisai Seattle Genetics Astellas Contracted research: Exelixis Pfizer/EMD Serono Janssen Apricity Health. GSD─Participant/unpaid volunteer: HealthVibe focus group 2020. MDG─Consulting fees: Inovio NuMab Janssen Merck GlaxoSmithKline Genentech Bristol-Myers Squibb Seattle Genetics Dracen Dragonfly Astellas Novartis Pfizer AstraZeneca Incyte Dendreon Eli Lilly EMD Serono Aileron Therapeutics Ownership interest: Rappta Therapeutics NPI: 1639140668. PG─Consulting fees: AstraZeneca Dyania Health EMD Serono Immunomedics Janssen Merck Mirati Therapeutics Genentech Pfizer Seattle Genetics Contracted Research: Bavarian Nordic Bristol-Myers Squibb Clovis Oncology Debiopharm Immunomedics Pfizer Merck QED Therapeutics GlaxoSmithKline Kure It Cancer Research Mirati Therapeutics. SG─Consulting fees: Merck Bristol-Myers Squibb Janssen Seattle Genetics AstraZeneca Contracted research: Bristol-Myers Squibb Pfizer Non-CME services: Exelixis. CJH─Consulting fees: Astellas Bristol-Myers Squibb Genentech Merck Eisai Seattle Genetics 2bPrecise Non-CME services: Astellas Bristol-Myers Squibb Genentech Eisai Seattle Genetics. AMK─Consulting fees: Abbott Molecular Arquer ArTara Asieris AstraZeneca BioClin Therapeutics Bristol-Myers Squibb Cepheid Cold Genesys Eisai Engene Inc. Ferring FerGene Imagin Janssen MDxHealth Medac Merck Pfizer Photocure ProTara Roviant Seattle Genetics Sessen Bio Theralase TMC Innovation US Biotest Contracted research: Adolor Bristol-Myers Squibb FKD Industries Heat Biologics Merck Photocure SWOG/NIH SPORE AIBCCR Clinical trials: FKD Merck Bristol-Myers Squibb Photocure SWOG Adolor Heat Biologics Laboratory research: NIH SPORE AIBCCR Educational grant: CEC Oncology Editorial board: European Urology Oncology Journal of Urology UroToday President of organization: International Bladder Cancer Network (IBCN) International Bladder Cancer Group (IBCG) IP Rights: CyPRIT (Cytokine Predictors of Response to Intravesical Therapy) Joint with UT MD Anderson Cancer Center. LPL─Consulting fees: Pfizer Advisory Nursing board 2018 Lecture/Speaker/Expert Panel: ASCO Bladder Program 2019 Pfizer learning day 2019 ASCO Bladder Program Panel Member and Faculty 2019 Pfizer Learning Day Speaker 2019 BCAN Webinar Faculty 11/2020. JJM─Consulting fees: AstraZeneca Ferring Janssen Nucleix Foundation Medicine Contracted research: Epizyme Tesaro Abbvie Teaching an endoscopy course: Olympus. ERP─Consulting fees: AstraZeneca Infinity Pharma Pfizer Flatiron Genentech Merck Seattle Genetics Contracted research: Astellas Bristol-Myers Squibb Genentech Merck. JER─Consulting fees: Merck Bristol-Myers Squibb AstraZeneca Astellas Seattle Genetics Boehringer Ingelheim Bayer Pfizer Roche/Genentech Mirati QED Therapeutics Janssen Pharmacyclics GlaxoSmithKline Contracted research/Clinical trial funding: Seattle Genetics Astellas Roche/Genentech Bayer AstraZeneca QED Therapeutics. NS─Consulting fees: Amgen Astellas AstraZeneca Bayer Bristol-Myers Squibb Dendreon Fergene Ferring Janssen Merck Myovant Nymox Pfizer Sanofi/Genzyme Sesen Bio Sun Pharma Tolmar. GDS─Consulting fees: Merck Janssen Ferring Bristol-Myers Squibb Pfizer Genentech Epivax Oncology AstraZeneca Fidia Cold Genesys EnGene Bio Aduro Biotech Dendreon FKD Therapies CiClomed Seattle Genetics Urogen PhotoCure. SITC staff: SMW—Shares owned: Pacific Biosciences Editas Medicine EG AK BL LL─Nothing to disclose.

Disease Progression Humans Muscle Smooth/pathology Neoplasm Grading Neoplasm Invasiveness Neoplasm Staging Treatment Failure Urinary Bladder/pathology Urinary Bladder Neoplasms/*pathology/*therapy *Watchful Waiting Active surveillance Non-Muscle Invasive bladder cancer Urothelial neoplasm