Table 1. Clinical characteristics of 25 patients with lung cancer.

Subjects		Percent (%)
Gender	male	60
	female	40
Age	40 ~ 50	52
	50 ~ 60	32
	> 60	16
Pathologic type	adenosquamous carcinoma	36
	Adenocarcinomas	48
	small cell carcinomas	16
Pathologic staging	Ia	76
	Ib	24