Organ preservation after total neoadjuvant therapy for locally advanced rectal cancer (CAO/ARO/AIO-16): an open-label, multicentre, single-arm, phase 2 trial.Gani C, Fokas E, Polat B, et al. Lancet Gastroenterol Hepatol. 2025 Jun;10(6):562-572. DOI: 10.1016/S2468-1253(25)00049-4. PMID: 40347958. 【背景…