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[Update in treatment of non small cell lung cancer].

Surgery, chemotherapy, radiotherapy and "biological" treatment are differently used in the treatment of non small cell lung cancer. Surgery is the cornerstone of the stages I-II treatment; chemotherapy is dominant in the treatment of metastatic stage, but is more and more used in earlier stages. A large discussion is still open for advanced non metastatic stages, even if the association of the 3 major modalities is extensively studied. We discuss our position in this setting.