Table 1.

Clinicopathologic parameters of squamous cell lung cancer patients

Clinicopathologic parameter	No. (n=100)
Age (yr)
< 65	60
≥ 65	40
Sex
Male	93
Female	7
Tumor size
T1	12
T2	39
T3	34
T4	10
Unknown	9
Lymph node status
N0	36
N1	22
N2	17
N3	19
Unknown	6
Metastasis
M0	76
M1	16
Unknown	8
Pathologic stage
Ⅰ	14
Ⅱ	23
Ⅲ	35
Ⅳ	19
Unknown	91