It's been 7 years since my kidney transplant. For the last 8 months, there would be trace of blood in the urine seen under the microscope. I dont see it visibly but the results haven't been cleared. My doctor wants me to get some tests done and a CT scan soon. Has everyone experienced this? I'm pretty nervous over the outcome. From a traumatic experience, I always seem to link symptoms with cancer.. Anyways, does anyone know what can cause this? It started last November. Thank you.