A new urine test could spare bladder cancer survivors from a painful follow-up procedure needed to ensure their cancer hasn't come back, researchers report.

A simple urine test can more than halve the number of cystoscopies necessary to follow up high-risk bladder cancer patients, new research has found.

The patient's new doctor performed a post-void residual (PVR) ultrasound and cystoscope, and determined his bladder was very ...