RecruitingPhase 2Radiation therapyIpilumumab and Nivolumab With or Without Hypofractionated Radiotherapy in Patients With Metastatic MelanomaThe main purpose of this study is to determine the safety of combining ipilimumab and nivolumab with hypofractionated radiotherapy to a single tumor in patients with metastatic melanoma. Another purpose of this study is to determine the effect of ipilimumab, nivolumab and hypofractionated radiotherapy on the cancer as compared to ipilimumab and nivolumab.