Substantial improvements in treatment outcome for limited-disease small-cell lung cancer (LD SCLC) have been achieved in the last two decades owing to the introduction of chemotherapy (CHT) consisting of cisplatin and etoposide (PE), and the understanding that thoracic radiation therapy (TRT) is an essential component in improving treatment outcome. In addition, a recent metaanalysis confirmed the importance of prophylactic cranial irradiation (PCI) in general treatment plans for patients who show a complete response to treatment. However, numerous questions remain unanswered regarding this disease. While TRT/PE/PCI is considered to be the standard treatment in the majority of centers worldwide, the emergence of new and effective drugs (e.g., topoisomerase I inhibitors and paclitaxel) for the treatment of LD SCLC will likely affect therapy strategies in the near future. Important issues regarding optimal doses and fractionation regimens, as well as the timing of TRT, remain to be resolved. While most centers currently use b.i.d. fractionation as a result of the Intergroup findings, high-dose standard TRT may also be beneficial. TRT volumes are also considered an important issue, since they likely relate to the incidence of both local failure and toxicity. Finally, the optimization of PCI (total dose, fractionation regimen, and timing) is already under way. The value of surgery is limited to peripheral tumors and poorly responding cancer, and to confirm histology or improve local control and survival.
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Substantial improvements in treatment outcome for limited-disease small-cell lung cancer (LD SCLC) have been achieved in the last two decades owing to the introduction of chemotherapy (CHT) consisting of cisplatin and etoposide (PE), and the understanding that thoracic radiation therapy (TRT) is an essential component in improving treatment outcome. In addition, a recent metaanalysis confirmed the importance of prophylactic cranial irradiation (PCI) in general treatment plans for patients who sh...
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