The Efficacy of the IUrisure for Detection of Recurrent Urothelial Carcinoma

Inclusion Criteria: 1. Patients with high suspicion/confirmed urothelial carcinoma by CT, CTU, MR and other imaging examinations and meet the indications for surgery, including TURbt, partial cystectomy, radical nephroperectomy and kidney-sparing surgery; 2. Patients with highly suspected/confirmed recurrence of urothelial carcinoma who meet the indications for surgery, including TURbt, partial cystectomy, radical nephroperectomy and kidney-sparing surgery; 3. The patient agrees to participate in this study and has signed the informed consent form. Exclusion Criteria: * (1) Patients with urothelial carcinoma combined with other malignant tumors; (2) Patients with a history of other non-urothelial carcinoma cancers; (3) Samples that are not urothelial carcinoma in surgical pathology; (4) Samples of Ta/low-grade urothelial carcinoma shown by surgical pathology.