Would you offer SBRT to a biopsy proven T1 renal cell carcinoma on a transplanted kidney?

Complex scenario. I am not aware of any cases worldwide of SBRT for RCC in a transplanted kidney. That being said, our group has previously published a case of SBRT for early stage lung cancer in a double lung transplant patient. This was one of 2 known cases at the time, and the details of the case...