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Table 3 The number of patients with a primary tumour in each breast region and with SLNs in each node field

From: An interactive 3D atlas of sentinel lymph nodes in breast cancer developed using SPECT/CT

Node Field

Breast Region (Reflected to the Left Side)

# Patients with SLNs in each Node Field

(% of Total)

0 (retroareolar)

1

2

3 (lateral)

4

5

6 (inferior)

7

8

9 (medial)

10

11

12 (superior)

Axilla level I (anterior)

87

66

164

69

44

31

20

21

19

19

42

41

48

671 (77.2)

Axilla level I (central)

37

19

59

29

18

11

10

5

7

6

16

14

22

253 (29.1)

Axilla level I (lateral)

1

3

2

1

0

0

1

0

0

0

1

1

1

11 (1.3)

Axilla level I (posterior)

9

6

22

12

7

7

5

1

2

0

3

7

4

85 (9.8)

Axilla level I (interpectoral)

5

3

5

2

1

2

0

0

0

0

0

1

2

21 (2.4)

Axilla level II

14

9

13

7

3

3

0

2

3

1

5

4

8

72 (8.3)

Axilla level III

1

0

1

1

0

0

0

0

0

0

0

0

1

4 (0.5)

Internal mammary

37

19

28

14

16

16

16

17

15

11

28

29

18

264 (30.4)

Supraclavicular

1

1

1

0

0

0

0

0

0

0

1

1

0

5 (0.6)

Mediastinal

1

0

0

0

0

0

1

0

0

1

0

1

0

4 (0.5)

Interval

13

4

16

11

4

10

5

4

1

1

3

6

5

83 (9.6)

Contralateral a

1

0

0

0

0

0

0

0

0

0

1

0

0

2 (0.2)

# Patients with Tumours in Each Breast Region

(% of Total)

111 (12.8)

85 (9.8)

199 (22.9)

94 (10.8)

56 (6.4)

41 (4.7)

31 (3.6)

24 (2.8)

23 (2.6)

23 (2.6)

56 (6.4)

60 (6.9)

66 (7.6)

869

(100.0)

  1. a Both patients had contralateral drainage to axilla level I (anterior) and axilla level I (central) SLNs. One patient had contralateral drainage to an interval SLN, and the other had contralateral drainage to an internal mammary SLN.