Attribute number

Attribute description

Possible values of attributes

Assigned values

Mean

S.D.

1

Lymphatic

Normal = 1, arched = 2, deformed = 3, displaced = 4

1 - 4

2.74

0.82

2

Block of afferent

No, Yes

1 - 2

1.55

0.50

3

Block of lymph c (superior and inferior 
flaps)

No, Yes

1 - 2

1.17

0.38

4

Block of lymph s (lazy incision)

No, Yes

1 - 2

1.04

0.21

5

By pass

No, Yes

1 - 2

1.24

0.43

6

Extravasates (force out of lymph)

No, Yes

1 - 2

1.51

0.50

7

Regeneration

No, Yes

1 - 2

1.07

0.25

8

Early uptake

No, Yes

1 - 2

1.7

0.46

9

Lymph nodes diminish

0 - 3

0 - 3

1.06

0.31

10

Lymph nodes enlarge

1 - 4

1 - 4

2.47

0.84

11

Changes in lymph

Bean = 1, oval = 2, round = 3

1 - 3

2.4

0.57

12

Defect in node

No = 1, lacunar = 2, lacunar marginal = 3, lacunar central = 4

1 - 4

2.97

0.87

13

Changes in node

No, lacunar, lacunar marginal, lacunar central

1 - 4

2.8

0.76

14

Changes in structure

No, grainy, drop-like, coarse, diluted, reticular, stripped, faint

1 - 8

5.22

2.17

15

Special forms

No, Chalices, vesicles

1 - 3

2.33

0.77

16

Dislocation

No, Yes

1 - 2

1.67

0.48

17

Exclusion of node

No, Yes

1 - 2

1.8

0.41

18

Number of nodes

0 - 80

1 - 8

2.6

1.91

19

Target Class

Normal = 1, metastases = 2, malign lymph = 3, fibrosis = 4