Nivolumab and Ipilimumab With or Without Local Consolidation Therapy in Treating Patients With Stage IV Non-Small Cell Lung Cancer

This phase III trial studies how well nivolumab and ipilimumab works with or without local consolidation therapy in treating patients with stage IV non-small cell lung cancer. Immunotherapy with monoclonal antibodies, such as nivolumab and ipilimumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Local consolidation therapy, such as surgery or radiation therapy, may improve survival outcomes in patients with non-small cell lung cancer. It is not yet known whether giving nivolumab and ipilimumab with local consolidation therapy works better than nivolumab and ipilimumab alone in treating patients with stage IV non-small cell lung cancer.