^pof;
Oncology,;
101st;
Hospital;
of;
PLA,;
Clinical;
Medical;
College;
of;
Jiangsu;
University,;
Wuxi;
214044,;
China;
^pof;
Oncology,;
Affiliated;
Tongji;
Hospital,;
Tongji;
University,;
Shanghai;
200065,;
China;
治疗方案; 立体定向; 放射治疗; γ射线; 肺腺癌; 患者; 老年; 临床;