Organ preservation in rectal adenocarcinoma (T1) T2-T3 Nx M0. Historical overview of the Lyon Sud - Nice experience using contact x-ray brachytherapy and external beam radiotherapy for 120 patients. En savoir plus sur Organ preservation in rectal adenocarcinoma (T1) T2-T3 Nx M0. Historical overview of the Lyon Sud - Nice experience using contact x-ray brachytherapy and external beam radiotherapy for 120 patients.