When do you consider consolidation chest radiation in a patient with stage IV non-small cell carcinoma of the lung who has had good response to systemic therapy?  

It's a really great question, and it comes up a lot in our tumor boards and general practice. There are a couple of paradigms that I use to help me think through when and how to do it. I would say the data here for the use of RT is mixed, and either gives you freedom to do a variety of things or giv...