Radiofrequency ablation of stage IA non–small cell lung cancer in patients ineligible for surgery: results of a prospective multicenter phase II trial oleh J. Palussière, F. Chomy, M. Savina, F. Deschamps, J. Y. Gaubert, A. Renault, O. Bonnefoy, F. Laurent, C. Meunier, C. Bellera, S. Mathoulin-Pelissier, T. de Baere