The Global En Bloc Resection of Bladder Tumour Registry

This international registry collects data on patients who undergo a newer surgical technique called en bloc resection (ERBT) to remove bladder tumors — where the tumor is cut out in one piece rather than shaved off in fragments — to evaluate outcomes and safety. **You may be eligible if...** - You are 18 or older - You have a bladder tumor and are scheduled to have ERBT (en bloc resection of bladder tumor) - You consent to participate in the registry **You may NOT be eligible if...** - You have or previously had cancer in the upper urinary tract (kidney or ureter) - You have another active cancer - You are pregnant Talk to your doctor to see if this trial is right for you.