PDD or WL Resection of Tumors in NMIBCIn this open-label trial, patients with intermediate- or high-risk non-muscle-invasive bladder cancer at diagnosis were randomly assigned to photodynamic diagnosis or white light-guided transurethral resection of bladder tumor. Three-year recurrence-free rates were 57.8% and 61.6% in the PDD and WL groups, respectively, with no difference in quality-adjusted life years between the treatment groups at 3 years.