Bladder Cancer Symptoms and Treatment Blood in the urine may be a sign of bladder cancer. Your urologist will order a workup, including imaging and looking inside the bladder to determine the cause of bleeding. From there, if bladder cancer is found, surgeons may perform a resection of bladder tumors. At the USC Institute of Urology at Keck Medicine of USC, we conduct such forward-thinking procedures as using blue-light cystoscopy to better see the affected area and more completely eradicate cancerous tumors. Learn more: