Number of Re-Excisions

Pre-Guideline

N = 504

Post-Guideline

N = 701

p-Value

0

78.6%

84.9%

0.017

1

19.2%

14%

2

2.0%

0.9%

≥3

0.2%

0.3%

Mastectomy after BCS

0.4%

0.9%

0.480