Hi......I am sorry to hear what they say about the results of the MRI. I hope that when you see the surgeon on Monday he first does a biopsy to make doubly sure. Because mine was contained in the kidney they decided on treatment with the Votrient pill and a diet. Granted the Votrient makes me nauseous and I have lost a lot of weight (one of the side effects of Votrient) but I cannot lose my kidney as the other kidney only works a small bit. I don't want to bore you with my condition but I also have a genetic disease called thin Membrane Disease which put me into stage 4 kidney failure before the cancer came along. Where the cancer came goodness only knows. There's no cancer in my family.
Now I have given you a whole lot of useless information not regarding your problem.....but I truly hope they do a biopsy first to see if they can treat you and keep your kidney. Please keep us posted. Blessings.