RecruitingPhase 2Drug trialCemiplimab or Cemiplimab and Fianlimab After Stereotactic Body Radiotherapy in Clear Cell Renal Cell CarcinomaThe purpose of this research is to test the safety of PD-1 inhibitor cemiplimab with or without LAG-3 inhibitor fianlimab, and see what effects (good and bad) of cemiplimab either alone or combined with fianlimab has on patients with oligometastatic clear cell renal cell carcinoma after completion of radiation therapy.