Kidney cancer?

We got a call this morning that mom is in the hospital. They found abnormal levels in her bloodwork from her physical yesterday and sent her to the ER. They're running tests now to figure out what's causing the kidney failure. They think it might be cancer. I'm so scared. I hate it that I can't just go and see her. I hate living so far away from family. We'll see what her tests show and may go later. It's so hard to know what to do. I hate cancer. It scares me so much. Please say a prayer for her.