Research recommendations coming out of this guidance Current evidence on the safety and efficacy of low-energy contact X‑ray brachytherapy (the Papillon technique) for locally advanced rectal cancer is inadequate in quantity and quality. Therefore, this procedure should only be used in the context of research.
Current evidence on the safety and efficacy of low-energy contact X‑ray brachytherapy (the Papillon technique) for locally advanced rectal cancer is inadequate in quantity and quality. Therefore, this procedure should only be used in the context of research.