Table 5. The full clinical and pathological tumor stage of patients in two groups based on NSCLC Treatment Guideline from NCCN [2015].

Staging	VATS group			Pathological stage
	Clinical	Pathological		Clinical	Pathological
Ia	129	108		97	81
Ib	16	10		40	28
Ia	6	5		18	14
IIb	11	19		9	14
IIIa	26	46		2	51

NSCLC, non-small cell lung cancer; NCCN, National Comprehensive Cancer Network; VATS, video-assisted thoracoscopic surgery.