Humans Photosensitizing Agents/therapeutic use Neoplasm Residual Neoplasm Recurrence Local/prevention & control *Photochemotherapy/methods Randomized Controlled Trials as Topic *Urinary Bladder Neoplasms/drug therapy/surgery/diagnosis Aminolevulinic Acid/therapeutic use Cystoscopy/methods Cystoscopy Fluorescent cystoscopy Hexaminolevulinate Meta-analysis Nonmuscle invasive bladder cancer Urinary bladder neoplasms conflicts of interest in the manuscript and during the submission process. This manuscript has not been published and is not under consideration for publication elsewhere.