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Table 1 Number of morphology-specific breast cancers in the Swedish Family Cancer Database during the period 1993–1998

From: Morphological types of breast cancer in family members and multiple primary tumours: is morphology genetically determined?

 

1st invasive

2nd invasive

In situ

Morphology

n

%

n

%

n

%

Ductal

14,187

66.2

1679

60.9

1834

69.9

Lobular

2936

13.7

531

19.2

324

12.4

Tubuloductal/tubular

1915

8.9

232

8.4

2

0.1

Comedo

1190

5.6

133

4.8

397

15.1

Mucinous

608

2.8

87

3.2

0

0.0

Medullary

340

1.6

29

1.1

0

0.0

Papillary

117

0.5

24

0.9

55

2.1

Morbus Paget

100

0.5

43

1.6

11

0.4

Cystosarcoma phyllodes

47

0.2

1

0.0

0

0.0

Other

4290

 

635

 

367

 

All

25,730

 

3394

 

2990

 
  1. Percentages are for all cancers apart from those in the 'Other' category (undefined morphological types). Thus, for first primary the percentages provided are from a total of 21,440 cancers, for second primary they are from a total of 2759 cancers, and they are from a total of 2623 for in situ cancers.
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Breast Cancer Research

ISSN: 1465-542X

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