Five-Year Outcomes of Short-Term Radiotherapy Plus Chemotherapy Versus Long-Term Chemoradiotherapy for Locally Advanced Rectal Cancer: Updated Results of the STELLAR Trial - Yuan Tang; Hai-Tao Zhou; Tong-Zhen Xu; Ning Li; Li-Ming Jiang; Jun Jiang; Ning-Ning Lu; Shuai Li; Si-Lin Chen; Hui-Ying Ma; Yong Cai; Yong-Heng Li; et al. (Journal of Clinical Oncology, 2026)