Evaluation of Non-Invasive Assays for the Detection of Urothelial Cancer

This study is evaluating urine-based tests for detecting bladder cancer, comparing them against standard procedures like cystoscopy (a camera examination of the bladder). **You may be eligible if...** - You are over 18 years old - You are scheduled for a cystoscopy (bladder scope procedure) — either for newly diagnosed bladder cancer or routine follow-up for known bladder cancer - OR you are in the control group: no known bladder cancer and willing to provide one urine sample **You may NOT be eligible if...** - You are under 18 years old Talk to your doctor to see if this trial is right for you.