Objective To compare the efficacy of 5 kinds of platinum-based chemotherapy regimens in the first-line treatment of advanced non-small cell lung cancer( NSCLC),and to further explore the possible ways to improve the prognosis. Methods A retrospective study was conducted and included the clinical data of352 patients( mean age 59) with stage Ⅲ and Ⅳ NSCLC. The patients received the third generation new drugbased platinum regimens,including 5 kinds of regimens,TP,DP,LP,GP,and PP. The primary endpoint was objec...