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4 PSM前后S组和S+RT组的生存曲线 Note： A. Survival curves of OS of the S group and the S+RT group before PSM. B. Survival curves of OS of the S group and the S+RT group after PSM. C. Survival curves of CSS of the S group and the S+RT group before PSM. D. Survival curves of CSS of the S group and the S+RT group after PSM.

Fig 4 Survival curves of the S group and the S+RT group before and after PSM