1.

患者的一般情况

Patient characteristics (n=23)

Characteristics	Data
ECOG PS: Eastern Cooperative Oncology Group performance status. EGFR: epidermal growth factor receptor.
Age (yr)
Median (range)	55 (29-81)
Gender
Male	8
Female	15
Smoking history
Current or ever	5
Never	18
ECOG PS
0-1	3
2	15
3-4	5
Histology
Adenocarcinoma	16
Non-adenocarcinoma	7
Type of EGFR gene mutations
18	2
19	9
21	12