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1 接受手术和化疗的直肠癌患者纳入流程图
Fig 1 Flow chart for inclusion of rectal cancer patients undergoing surgery and chemotherapy