Luminal A Breast Cancer: How Feasible is Omitting Axillary Dissection Without Neoadjuvant Therapy

Table 3

Comparison of patients with and without OAD.

Variables		OAD		ADAS		value
		N	%	N	%
Age	<60	14		38		0.328
	≥60	4		20
Location	Upper outer quadrant	6		32		0.336
	Lower outer quadrant	2		8
	Upper inner quadrant	5		6
	Lower inner quadrant	2		9
	Central	1		1
cT	1	14		13		<0.001
	2	4		39
	3	0		6
cN	0	17		55		0.793
	1	1		2
	3	0		1
Multifocality	No	16		55		0.375
	Yes	2		3
Grade	1	5		9		0.379
	2	12		41
	3	1		8
LVI	No	18		49		0.075
	Yes	0		9
Local recurrence	No	18		58		—
	Yes	0		0
Distant metastasis	No	18		57		0.575
	Yes	0		1

OAD : omitting axillary dissection; LVI : lymphovascular invasion; ADAS : axillary dissection after sentinel.