Green‐light laser en bloc resection versus conventional transurethral resection for initial non‐muscle‐invasive bladder cancer: A randomized controlled trial

Objective To compare the safety and outcomes between green‐light laser en bloc resection and transurethral resection of bladder tumor. Methods A single‐center, randomized controlled trial was carried out from August 2014 to September 2018. Patients with initial non‐muscle‐invasive bladder cancer were randomized to green‐light laser en bloc resection or transurethral resection of bladder tumor. The primary outcomes were pathological findings and...