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Table 2 Characteristics of patients by the frozen section status of the sentinel lymph nodes (SLN) found at the time of definitive surgery for the invasive primary.

From: Intraoperative frozen section assessment of sentinel lymph nodes in the operative management of women with symptomatic breast cancer

SLN Category

Age

SLN No.

T size

Tumour Grade

ER and PR staining

 

Mean (yrs)

Mean

T1

T2

T3

I

II

III

ER positive

ER & PR positive

ER & PR negative

True Negative SLN by FS (n = 64)

61.5

2.02

34

24

6

8

33

22

53

39

8

True Positive SN by FS (n = 23)

62.8

2.1

10

9

4

0

10

13

21

19

2

Total True SN by FS (n = 87)

62.2

2.1

44

33

10

8

43

35

74

58

10

False Negative SN by FS (n = 7)

57.9

1.9

1

4

2

0

4

3

4

3

2