Department;
of;
Thoracic;
Oncology;
Key;
Laboratory;
of;
Cancer;
Prevention;
and;
Treatment;
of;
Tianjin;
City;
Tianjin;
Lung;
Cancer;
Center;
Tianjin;
Medical;
University;
Cancer;
Institute;
and;
Hospital;
Tianjin;
300060;
China;
白细胞减少; 化疗; 肺癌; 价值; 预后; 世界卫生组织; Cox模型; 系统分类;