Figure 4.

Kaplan-Meier curve of OS (A) and CSS(B) by age groups among NSCLC patients with extrathoracic metastases. Abbreviation: OS=overall survival, CSS=cancer-specific survival

Kaplan-Meier curve of OS (A) and CSS(B) by age groups among NSCLC patients with extrathoracic metastases. Abbreviation: OS=overall survival, CSS=cancer-specific survival