TI - Endoluminal HDR Brachytherapy and Contact X-Ray Therapy in Rectal Cancer: A Narrative Review with an Illustrative Case of Residual Disease After Neoadjuvant Chemoradiotherapy AU - KAVUZLU, Y. AU - NURLU, D. AU - ALBAYRAK, D. AU - PARLAR, Ş. AU - YILDIZ, G. AU - DEMİR, S. AU - ERDOĞAN, B. AU - KOÇAK, Z. AU - SAYNAK, M. SO - Turk J Oncol 2026;41:146-159. DO - 10.5505/tjo.2026.4872