Imaging for early stage breast cancer

Tumour and margin characteristics for invasive carcinoma.

Tumour-free margins

Focally- involved margins

Tumour- involved margins

Total (in group percentage)

p-value

All specimens

8327 (89·8%)

626 (6·7%)

323 (3·5%)

9276 (100%)

Year 2012 2013

0·486 1

3577 (89·3%) 4750 (90·1%)

282 (7·0%) 344 (6·5%)

145 (3·6%) 178 (3·4%)

4004 (43·2%) 5272 (56·8%)

Excision Method Without Localization With Localization

0·001 1

6065 (89·4%) 2262 (90·8)

454 (6·7%) 172 (6·9%)

266 (3·9%) 57 (2·3%)

6785 (73·1%) 2491 (26·9%)

Tumour type IDC ILC Other Tumour Stage T1 T2 T3

<0·001 1

7071 (90·9%) 644 (77·4%) 612 (92·3%)

488 (6·3%) 108 (13·0%) 30 (4·5%)

222 (2·9%) 80 (9·6%) 21 (3·2%)

7781 (83·9%) 832 (9·0%) 663 (7·1%)

<0·001 2

6648 (92·0%) 1168 (82·5%) 11 (42·3%)

413 (5·7%) 211 (10·4%) 2 (7·7%)

168 (2·3%) 142 (7·0%) 13 (50·0%)

7229 (77·9%) 2021 (21·8%) 26 (0·3%)

Median Greatest tumour diameter in cm (range ; SD) Median Age in years (range ; SD) Median Lumpectomy Volume in cc (range ; SD) Median CRR (range ; SD)

<0·001 4

1·30 (0·1-7·5 ; 0·72)

1·60 (0·2- 5·0 ; 0·82)

1·90 (0·4- 10·0 ; 1·28)

1·40 (0·1-10·0 ; 0·77)

0·363 3

62 (24-97 ; 10·84)

61(28-89 ; 10·81)

61 (26-91 ; 11·68)

62 (24-97 ; 10·87)

<0·001 3

47 (1-807 ; 48·76)

40 (3-485 ; 50·72)

40·32 (1- 495 ; 56·26)

46 (1 – 807 ; 49·18)

<0·001 4

2·40 (0·10- 104·17 ; 3·20 )

1·78 (0·25- 45·74 ; 2·82)

1·50 (0·36- 69·00 ; 4·57)

2·32 (0·10 - 104·17 ; 3·23)

22