放疗对行化疗和手术的直肠癌患者的效果分析：一项基于SEER数据库的回顾性研究

王安君, 刘宁宁

Efficacy of radiotherapy in patients with rectal cancer undergoing chemotherapy and surgery: a retrospective study based on the SEER database

WANG Anjun, LIU Ningning

图6 S组和S+RT组OS和CSS亚组分析

Fig 6 Subgroup analysis of OS and CSS between the S group and the S+RT group