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

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

Humans Neoplasm Grading Neoplasm Invasiveness Neoplasm Recurrence Local/*pathology Neoplasm Staging Neoplasm Residual *Reoperation Risk Factors Survival Rate Urinary Bladder/pathology Urinary Bladder Neoplasms/*pathology/*surgery Bladder Cancer Detrusor Muscle Progression Re-resection Recurrence Upstaging

Biomarkers Tumor Case-Control Studies *DNA Methylation Death-Associated Protein Kinases/*genetics *Genetic Association Studies *Genetic Predisposition to Disease Humans Neoplasm Grading Neoplasm Staging Odds Ratio *Promoter Regions Genetic Publication Bias Risk Urinary Bladder Neoplasms/*epidemiology/*genetics/pathology

Kaplan-Meier Estimate Neoplasm Grading Neoplasm Metastasis Neoplasm Staging Odds Ratio Prognosis Publication Bias Urinary Bladder Neoplasms/*mortality/*pathology/therapy histological variants squamous differentiation urothelial carcinoma of the bladder 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.