EGFR and squamous cell carcinoma: The median age of the patients overall was 63 years (range: 30–84 years); 152 (65%) patients were male; 211 (91%) had a good performance status (PS) (0–1); 54 (23%) were never smokers; 52 (22%) had squamous cell carcinoma; and 37 (16%) had epidermal growth factor receptor (EGFR) mutation.