A Randomized Phase II Study of Oligometastatic Stage IV Non-Small Cell Lung Cancer (NSCLC) Treated with Systemic Therapy plus Either Radiotherapy to all Sites of Gross Residual Disease or No Radiotherapy

Pt must have histo or cyto confirmation of Stage IV NSCLC with previously untreated dz or SD or PR ,/= 8 wks following 1 prev regimen of standard platinum-based chemo given q 3-4 wks for total of 2-6 cycles. Pts w/M1 with 1-3 mets, but no more eligible. Pts must not have hx of or current brain mets, 2nd primary except as noted in Sect 3.22, prior therapies for this cancer other than 2-6 cycles of platinum-based chemo (Note: Bevacizumab is allowed), prior RT to sites which need to be treated.