Arteries Embolization Therapeutic/*adverse effects/methods/standards Humans Kallikreins/blood Lower Urinary Tract Symptoms/blood/etiology/*therapy Male Practice Guidelines as Topic Prostate/blood supply Prostate-Specific Antigen/blood Prostatic Hyperplasia/blood/complications/*therapy Quality of Life Treatment Outcome *arteries *embolization *investigational *prostatic hyperplasia *therapeutic *therapies *treatment outcome

Follow-Up Studies Humans Medical Oncology Practice Guidelines as Topic *Urinary Bladder Neoplasms/diagnosis/therapy

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.

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.

Antineoplastic Agents/*therapeutic use Chemotherapy Adjuvant/*statistics & numerical data *Cystectomy Global Health Guideline Adherence/statistics & numerical data Humans Models Statistical Neoadjuvant Therapy/*statistics & numerical data Neoplasm Invasiveness Practice Guidelines as Topic Practice Patterns Physicians'/*statistics & numerical data Urinary Bladder Neoplasms/*drug therapy/pathology/surgery

Clinical Decision-Making Cystectomy/*methods Cytoreduction Surgical Procedures/methods Humans *Neoplasm Metastasis/pathology/therapy Practice Guidelines as Topic Treatment Outcome *Urinary Bladder Neoplasms/pathology/surgery Bladder cancer Lymph node dissection Lymph node metastasis Metastasectomy Metastatic bladder cancer Surgery interest including specific financial interests and relationships and affiliations relevant to the subject matter or materials discussed in the manuscript (eg employment/affiliation grants or funding consultancies honoraria stock ownership or options expert testimony royalties or patents filed received or pending) are the following: None.