Good for you in getting an Urologic Oncologist who specializes in RCC! Every case is different and every patient responds differently to treatment. Like you, my husband (who just turned 55) had none of the "normal" symptoms typically noted with RCC. His tumor was also outside of the kidney and was discovered after a serious of crazy events.
After his annual checkup, it was noted that his sugar was a little high. The doctor recommended diet/exercise however, even after losing 40 pounds in about 2 months, his sugar continued to go up and he became anemic. We started him on Iron supplements and meds for Type 2 Diabetes, then we both got the flu and were very sick for about 2 weeks. He developed a cough that wouldn't go away, lost about 30 more pounds, grew seriously anemic and had a nagging cough that wouldn't go away.
Because of a history of exposure to asbestos over 20 years ago, we asked the doctor to do a chest scan just to reassure us it wasn't lung cancer. The doctor agreed, and that is how they discovered the tumor on the kidney (already a massive 6 inches in diameter) along with about 6 tumors spread throughout both lungs.
Our wonderful doctors sprang into action, as we were literally in the fight for my husband's life. Within 6 weeks from diagnosis, the weight steadily fell off and the anemia grew worse, as did his sugar levels. He lost a total of about 100 pounds, had to be given 13 units of Blood, 6 units of Plasma and 15 units of Iron.
In the short span of only 6 weeks, the primary tumor on the kidney went from a 6 inch mass to the size of a football that weighed nearly 10 pounds! Also, the 6 small tumors in the lungs increased to 14 in number, with the orginal tumors increasing to about 1 1/2 inches in size. The tumor was spreading like wildfire!
After 2 rounds of Sutent, the tumor count in the lungs is back down to 6 and the largest of them measures only 5mm! He is now into his 4th round of Sutent and the next set of scans will be done after he completes this. We fully expect all tumors to be gone.
We thank God every day for the doctors He brought into our lives. The importance of a good doctor cannot be over-emphasized, nor can quick action to deal with the primary tumor...this is key to putting a stop to further spreading of this cancer.
I would also recommend a PET Scan, which can see things a CT Scan cannot see. Because of Insurance's Policies, the urologist cannot order the PET Scan, MRI of the brain (which none of the other scans show what's happening in the brain), Bone Scan, etc., so it is important to have an Oncologist. A Urologic Oncologist is definitely the way to go!