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2 2005—2015年接受化疗和手术的3组直肠癌患者的比例变化趋势

Fig 2 Trends in the proportions of rectal cancer patients in three groups receiving chemotherapy from 2005 to 2015