Table 2.

Staging of lung cancer before and after bronchial arterial infusion chemotherapy.

Before			After
Staging		n (%)	n (%)
IIa		0 (0.0%)	2 (5.5%)
IIb		0 (0.0%)	4 (11.1%)
IIIa		25 (69.4%)	21 (58.4%)
T1-3N2M0	Bulky N2	4 (11.1%)	1 (2.8%)
	Skipping N2	1 (2.8%)	1 (2.8%)
T3N1M0		0 (0.0%)	12 (33.4%)
T4N0–1M0	Vascular invasion	17 (47.2%)	4 (11.1%)
	Heart invasion	2 (5.5%)	2 (5.5%)
	Vertebral invasion	1 (2.8%)	1 (2.8%)
	With different lobes of lung metastasis	0 (0.0%)	0 (0.0%)
IIIb		11 (30.6%)	9 (25.0%)
T4N2M0	Vascular invasion	9 (25.0%)	7 (19.4%)
	Heart invasion	1 (2.8%)	1 (2.8%)
	Vertebral invasion	0 (0.0%)	0 (0.0%)
	With different lobes of lung metastasis	1 (2.8%)	1 (2.8%)