[Immunotherapy for Extensive-stage Small Cell Lung Cancer: Research Progress and Future Perspectives].

At present, immunotherapy combined with chemotherapy has become the first-line standard of treatment for extensive-stage small cell lung cancer (ES-SCLC). In recent years, immune checkpoint inhibitors (ICIs) have received extensive attention and research in the field of lung cancer. At the same time, there are many challenges and tests in this process, such as the exploration of biomarkers, the exploration of new targets and new models, and the management of special populations. This article reviews the research progress in the field of ES-SCLC immunotherapy, and looks forward to the future development trend and potential direction of this field.
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