Of all characteristics considered, KPS before the re-RT (<80 vs>80, p=0.09) and overlap 90% isodose (<70 vs >70, p=0.09) showed a trend toward improved survival after thoracic re-RT.
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Of all characteristics considered, KPS before the re-RT (<80 vs>80, p=0.09) and overlap 90% isodose (<70 vs >70, p=0.09) showed a trend toward improved survival after thoracic re-RT.