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Table 1 Patient and tumor characteristics.

From: Tiling array-CGH for the assessment of genomic similarities among synchronous unilateral and bilateral invasive breast cancer tumor pairs

Tumor

Distance between tumors (cm)

Grade

ER status

PgR status

DNA index

Intraductal component

Node status

Vessel invasion

Unilateral tumor pairs that do not cluster

1a

6

1

pos

pos

1.61

yes

neg

no

1b§

 

2

pos

pos

1.00

no

  

2a

5

3

neg

neg

1.80

yes

neg

no

2b

 

2

pos

neg

1.58

yes

  

3a

4

1

pos

pos

1.08

yes

pos

no

3b

 

1

pos

pos

1.00

yes

  

4a§

n/a

2

pos

pos

1.10

yes

pos

no

4b

 

2

pos

pos

1.16

no

  

10a

n/a

2

pos

pos

1.00

yes

pos

no

10b

 

2

pos

pos

1.00

yes

  

Unilateral tumor pairs that cluster

5a

2

3

neg

neg

1.45

yes

pos

yes

5b

 

3

neg

neg

1.56

yes

  

6a

1

3

pos

pos

1.70

yes

pos

no

6b

 

3

pos

pos

1.73

yes

  

7aγ

3

3

neg

pos

1.98

yes

neg

yes

7bγ

 

3

pos

pos

1.81

yes

  

8aγ

1

3

neg

neg

2.50

yes

pos

yes

8bγ

 

3

neg

neg

2.28

no

  

9aγ

8

3

pos

pos

1.63

yes

pos

yes

9bγ

 

3

pos

pos

1.73

yes

  

Bilateral tumor pairs that do not cluster

10a

-

2

pos

pos

1.00

yes

pos

no

10c

 

2

pos

pos

1.00

yes

neg

no

10b

 

2

pos

pos

1.00

yes

pos

no

10c

 

2

pos

pos

1.00

yes

neg

no

11a

-

1

pos

neg

2.83

yes

neg

no

11b

 

3

pos

neg

1.00

no

pos

no

12a

-

3

pos

pos

2.73

no

neg

no

12b

 

1

pos

pos

1.89

no

neg

no

13a

-

2

pos

pos

1.09

yes

pos

no

13b

 

2

pos

pos

1.00

yes

pos

no

14a

-

2

pos

pos

1.75

yes

pos

no

14b

 

2

pos

pos

1.76

yes

pos

yes

16a

-

1

pos

pos

2.19

yes

pos

no

16b

 

2

neg

neg

1.00

yes

n/a

no

Bilateral tumor pairs that cluster

15a

-

3

neg

neg

1.94

yes

pos

no

15b

 

3

pos

pos

2.01

yes

pos

no

  1. Patients are numbered consecutively and tumor pairs are denoted a and b, respectively. All tumors, except where otherwise indicated, were of ductal type. Unless otherwise indicated, all samples were from fresh frozen tissue.
  2. § lobular type
  3. γ FFPE