Tumor Purity as a Prognostic and Predictive Biomarker of Postoperative Radiation Therapy Outcomes in Stage IIIA-N2 Non-Small Cell Lung Cancer: A Transcriptomic Analysis From the Lung ART Trial. - Zrafi WS; Albarrán-Artahona V; Dall'Olio FG; Ghigna MR; Signolle N; Cozic N; Adam J; Lacroix L; Pechoux CL; Gautheret D; Besse B; Levy A (International journal of radiation oncology, biology, physics, 2026)