2.

气管镜介入治疗对89例转移性气道内肿瘤的消除及肺不张的改善情况

The effect of interventional bronchoscopy for the treatment of atelectasis in 87 patients with metastatic airway tumors

Obstructive location	n	Clearance of airway tumor				Reopening of atelectasis
		CRa	PRb	NRc		CRd	Pe	NRf
CRa: complete reopense; PRb: partial reopense; NRc: no reopense; CRd: complete reopening; PRe: partial reopening; NRf: no reopening.
Right bronchus
Right main bronchus	17	12	5	0		3	7	7
Right upper bronchus	12	4	8	0		3	1	8
Right inermedius bronchus	9	4	5	0		1	6	2
Right middle bronchus	1	1	0	0		0	1	0
Right lower bronchus	5	1	4	0		0	2	3
Left bronchus
Left main bronchus	27	12	15	0		4	16	7
Left upper bronchus	11	5	4	2		0	1	10
Left lower bronchus	7	2	5	0		0	5	2
Total	89	41	46	2		11	39	39