Table 4: Rates of re-excision among women who underwent breast-conserving surgery for invasive breast cancer 
as the index procedure (n = 38 517), by province, 2007/08 to 2009/10.

Procedure	No. of women*
	BC	AB	SK	MB	ON	QC	NB	NS	PEI	NL	Canada
Index breast-conserving surgery	4 877	2 490	790	1 396	14 738	11 792	837	928	133	481	38 517
Re-excision
Breast-conserving surgery	995	229	176	46	1 756	1 237	137	109	19	67	4 776
Mastectomy	837	286	114	198	1 325	813	118	134	33	204	4 078
Total	1 832	515	290	244	3 081	2 050	255	243	52	271	8 854
Re-excision rate, %	38	21	37	17	21	17	30	26	39	56	23

*Unless otherwise stated.