表 1.

入组患者的临床病例特征

Clinical and pathologic characters of enrolled patients

Feature	n	Percentage (%)
AD: adenocarcinoma; SCLC: small cell lung cancer; SCC: squamous cell carcinoma; C-SCLC: combined-SCLC.
Gender
Male	18	100
Female	0	0
Age (yr)
≥60	13	72
< 60	5	28
Smoking history
Yes	14	78
No	4	22
Chemotherapy history
Yes	5	28
No	13	72
Classification
AD	6	33
SCLC	2	11
SCC	7	39
C-SCLC	3	17