Table 1. Baseline clinicopathologic features of a cohort of lung cancer patients in Xuanwei, China.

Characteristic		No. of patients (%) N = 84
Sex	Male	50 (59%)
	Female	34 (41%)
Age, years	< 55	60 (71%)
	≥ 55	24 (29%)
Smoking, ever	Yes	34 (41%)
	No	50 (59%)
FIGO staging	I + II	64 (76%)
	III	20 (24%)
Lymphatic metastasis	Yes	36 (43%)
	No	48 (57%)