Influence of Interfraction Interval on Local Tumor Control in Patients With Limited-Disease Small-Cell Lung Cancer Treated With Radiochemotherapy

Conclusion: “Shorter” IFI had a marginally insignificant influence on LRFS. A strong trend favoring it was observed in patients treated with “late” concurrent Acc Hfx RT/PE. This may be of interest because it could contribute to further understanding of potential biologic parameters influencing treatment outcome.