Systemic Treatment Alone Versus Systemic Treatment Plus Radiotherapy in Oligometastatic Renal Cell Carcinoma

This study is comparing two treatment strategies for kidney cancer that has spread to only a few sites (called oligometastatic disease): systemic drug treatment alone versus systemic drug treatment combined with targeted radiation to the metastatic sites. **You may be eligible if...** - You are between 20 and 80 years old - You have clear cell renal (kidney) cancer with 5 or fewer metastases in 3 or fewer organs - Your individual metastases are each no larger than 5 cm - Your primary kidney tumor has been or will be surgically removed - You are in good health (ECOG 0-1) **You may NOT be eligible if...** - You have more than 5 metastases or involvement of more than 3 organs - Your metastases are larger than 5 cm each Talk to your doctor to see if this trial is right for you.