fig1
![Do elderly NSCLC stage IV patients benefit from chemotherapy as well as younger? An analysis from clinical practice date](https://image.oaes.cc/2a601715-4a9c-49a7-8ef5-8fb79aa25ad8/1437.fig.1.png)
Figure 1. EGFR mutation and smoking habit in elderly patients. EGFR: epidermal growth factor receptor
Figure 1. EGFR mutation and smoking habit in elderly patients. EGFR: epidermal growth factor receptor
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