Background and objective At present. there is no standard salvage treatment strategies for lung cancer. The aim of this study is to compare the efficacies and safeties of pemetrexed alone with pemetrexed combined with oxaliplatin as salvage therapy in stage IV lung adenocarcinoma to provide evidences for combination therapy. Methods From January 2009 to February 2011. https://lightspeedlovers.shop/product-category/butt-plugs/