Data Systems Humans Magnetic Resonance Imaging/methods *Multiparametric Magnetic Resonance Imaging Muscles Retrospective Studies *Urinary Bladder Neoplasms/diagnostic imaging Diffusion magnetic resonance imaging Neoplasm grading Radiographic image enhancement Urinary bladder neoplasms Urologic surgical procedures

Administration Intravesical *Antineoplastic Agents/therapeutic use BCG Vaccine/therapeutic use Humans Neoplasm Recurrence Local Quality of Life *Urinary Bladder Neoplasms/drug therapy Bacillus Calmette–Guérin bladder cancer chemotherapy health-related quality of life hyperthermia immunotherapy intravesical therapy non-muscle invasive bladder cancer urothelial carcinoma

Diffusion Magnetic Resonance Imaging Humans Magnetic Resonance Imaging/methods Muscles Sensitivity and Specificity Urinary Bladder/diagnostic imaging/pathology *Urinary Bladder Neoplasms/diagnostic imaging/pathology Vesical Imaging-Reporting and Data System multiparametric magnetic resonance imagine muscle-invasive bladder cancer staging urothelial carcinoma

*Cystoscopy Follow-Up Studies Humans Neoplasm Invasiveness Neoplasm Recurrence Local Prospective Studies *Urinary Bladder Neoplasms/diagnosis/therapy Nmibc Non-muscle invasive bladder cancer cystoscopy follow-up

Female Humans Male *Patient Reported Outcome Measures Quality of Life/psychology Urinary Bladder Neoplasms/*epidemiology Early bladder cancer Non-muscle invasive bladder cancer Patient-reported outcomes Quality of life Systematic review

Chemotherapy Adjuvant Cisplatin/therapeutic use Female Humans Male Muscles Randomized Controlled Trials as Topic *Urinary Bladder Neoplasms/drug therapy *Bladder cancer *Chemotherapy *Individual participant data *Meta-analysis *Systematic review

Humans *Laser Therapy/adverse effects Outpatients *Urinary Bladder Neoplasms/pathology/surgery Urologic Surgical Procedures *Ablation *Bladder cancer *Fulguration *Laser *Non–muscle-invasive bladder cancer *Outpatient

en bloc resection high-risk nonmuscle-invasive bladder cancer reresection systematic review and meta-analysis commercial or financial relationships that could be construed as a potential conflict of interest.

Administration Intravesical BCG Vaccine/therapeutic use Humans Neoplasm Recurrence Local/prevention & control Network Meta-Analysis *Urinary Bladder Neoplasms/drug therapy/pathology Bladder cancer Intermediate risk Intravesical therapy Non–muscle-invasive bladder cancer

Chemotherapy Adjuvant Humans Liquid Biopsy Muscles Neoplasm Invasiveness Prospective Studies *Urinary Bladder Neoplasms/drug therapy Cell-free DNA Circulating tumor cells Liquid biopsies Muscle-invasive bladder cancer Perioperative therapy

external thermal field thermotherapy hyperthermic intravesical chemotherapy meta-analysis non-muscle invasive bladder cancer normal temperature intravesical chemotherapy thermal intravesical chemotherapy

Quality of life (QoL) bladder cancer non-muscle invasive bladder cancer (NMIBC) surveillance form (available at http://dx.doi.org/10.21037/tau-20-1333). The series “Expectant Management in Genitourinary Malignancies (Prostate Bladder Kidney)” was commissioned by the editorial office without any funding or sponsorship. The authors have no other conflicts of interest to declare.

Carcinoma in Situ/*diagnosis/*therapy Humans Treatment Outcome Urinary Bladder Neoplasms/*diagnosis/*therapy Bladder cancer Carcinoma in situ Non–muscle-invasive bladder cancer

Adjuvants Immunologic/therapeutic use BCG Vaccine/therapeutic use Evidence-Based Medicine Humans Neoplasm Invasiveness Neoplasm Recurrence Local/*therapy Treatment Outcome Urinary Bladder Neoplasms/pathology/*therapy Bacillus Calmette-Guerin unresponsive Bladder preservation therapy Bladder sparing Non–muscle-invasive bladder cancer

Aged *Brachytherapy Combined Modality Therapy Disease-Free Survival Female Humans Male Middle Aged Neoplasm Recurrence Local *Urinary Bladder Neoplasms/mortality/pathology/radiotherapy external beam radiotherapy interstitial brachytherapy muscle-invasive bladder cancer organ preservation

Antineoplastic Combined Chemotherapy Protocols/*therapeutic use Carcinoma Transitional Cell/immunology/mortality/pathology/*therapy Chemotherapy Adjuvant/methods/statistics & numerical data Clinical Trials Phase I as Topic Clinical Trials Phase II as Topic Cystectomy Disease-Free Survival Follow-Up Studies Humans Immune Checkpoint Inhibitors/*therapeutic use Muscle Smooth/pathology/surgery Neoadjuvant Therapy/*methods/statistics & numerical data Neoplasm Invasiveness/pathology Prospective Studies Treatment Outcome Urinary Bladder/pathology/surgery Urinary Bladder Neoplasms/immunology/mortality/pathology/*therapy Bladder cancer Immune checkpoint inhibitors Immunotherapy Neoadjuvant

Chemotherapy Adjuvant *Combined Modality Therapy Cystectomy Female Humans Middle Aged Muscles Neoadjuvant Therapy *Neoplasm Invasiveness Organ Sparing Treatments Patient Selection Quality of Life Salvage Therapy Survival Rate *Urinary Bladder Neoplasms/therapy

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

Data Systems Humans *Multiparametric Magnetic Resonance Imaging Neoplasm Invasiveness Predictive Value of Tests Reproducibility of Results Urinary Bladder Neoplasms/*diagnostic imaging/pathology Bladder cancer Magnetic resonance imaging Meta-analysis Muscle invasive Systematic review Vesical Imaging Reporting and Data System

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