Abstract：
MR-guided radiotherapy is a treatment approach that combines the advantages of magnetic resonance imaging (MRI) with the precision of radiation therapy. This practical review provides an overview of the current state-of-the-art of MR-guided radiotherapy for rectal cancer, including its technical aspects, clinical outcomes, and existing limitations. Even though some studies have demonstrated the feasibility and safety of this treatment modality, challenges remain in terms of patient selection, treatment planning optimization, and long-term follow-up. Despite these issues, MR-guided radiotherapy shows promise as a potentially valuable rectal cancer treatment approach.
摘要：
MR引导放射治疗是一种结合了磁共振成像（MRI）的优点和放射治疗精度的治疗方法。这篇实用综述概述了当前直肠癌MR引导放射治疗的最新技术，包括它的技术方面，临床结果，和现有的限制。尽管一些研究已经证明了这种治疗方式的可行性和安全性，在患者选择方面仍然存在挑战，治疗计划优化，和长期随访。尽管存在这些问题,MR引导的放射治疗有望成为一种潜在的有价值的直肠癌治疗方法。
