Table 4 Final surgical outcome as a function of margin status of the initial excision biopsy specimen

From: Histological margin assessment for breast ductal carcinoma in situ: precision and implications

 

Surgical outcome

 

Mastectomy

Further excision

 

n

(%)

N

(%)

Close >1 mm close margin width

0

(0)

9

(20)

Close ≤1 mm close margin width

9

(21)

13

(28)

Positive <1 mm focal involvement

4

(9)

5

(11)

Positive ≥1<15 mm minimal involvement

16

(37)

15

(32)

Positive ≥15 mm extensive involvement

14

(33)

4

(9)

Total

43

(100)

46

(100)