关键词: 低位直肠癌, 新辅助放化疗, 疗效评价

Abstract:

Effect of preoperative radiochemotherapy on the treatment of low rectal cancer        YANG Li-feng，ZHANG Zhen. Department of Radiation Oncology, Cancer Hospital, Fudan University；Department of Oncology, Shanghai Medical College, Fudan University,Shanghai200032，China
Corresponding author：ZHANG Zhen，E-mail：zhenzhang6@
gmail.com
Abstract    The evidence base of neoadjuvant therapy for low rectal cancer has been confirmed in a randomized phase Ⅲ study. In the neoadjuvant radiotherapy model is becoming more and more mature applications at the same time，the limitations of the existing mode of treatment and treatment toxicity needs more optimization，such as neoadjuvant therapy，appropriate choice of the patients； how to improve the complete remission rate of tumor，to provide the implementation of the non-operative treatment strategies “ wait & watch”. It also puts forward new requirements for the evaluation of neoadjuvant chemoradiotherapy for rectal cancer.

Key words: low rectal cancer, neoadjuvant radiochemotherapy, therapeutic evaluation