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Download the ESMO 2012 Abstract Book - Oxford Journals

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Results: The median survival time (MST) of 510 advanced lung adenocarcinoma<br />

patients from <strong>the</strong> date of first-line palliative <strong>the</strong>rapy was 22.8 months. MST was<br />

significantly longer among <strong>the</strong> patients treated with gefitinib after gefitinib approval<br />

compared with <strong>the</strong> patients treated before gefitinib approval (33.5 vs. 14.1months, p <<br />

0.001). Multivariate analysis showed that <strong>the</strong> independent prognostic factors to<br />

significantly improve OS of 510 patients included gefitinib treatment (hazard ratio<br />

0.175, P

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