Carcinoma Papillary/mortality/pathology/*therapy Disease Progression Humans Neoplasm Staging Progression-Free Survival Risk Assessment Risk Factors Time Factors Urinary Bladder Neoplasms/mortality/pathology/*therapy Urothelium/*pathology Bacillus Calmette-Guérin therapy Bladder cancer Bladder sparing Immediate cystectomy Micropapillary Prognosis Transurethral resection Urothelial carcinoma Variant histology