Table 1.

Clinicopathological characteristics of patients with non-small cell lung cancer

Characteristics	No. of patients
Age (year)
≥ 60	34
< 60	27
Gender
Male	45
Female	16
Subtype
AD	25
SC	28
Lymphatic metastasis
N0	17
N1	13
N2	22
N3	1
Distal metastasis
M0	52
M1	1
Invasion
Tis & T1-T3	46
T4	7
TNM stage
0 & I & II	24
III & IV	29

Abbreviations: AD, adenocarcinoma; SCC, squamous cell carcinoma.