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Table 3 Comparison of clinicopathological characteristics between patients with solitary lymph node metastasis and N0 patients

From: Prognostic significance of solitary lymph node metastasis in patients with squamous cell carcinoma of middle thoracic esophagus

Characteristic

Solitary lymph node metastasis (n = 33)

N0 (n = 102)

P-value

Age (years)

0.253

≤ 60

24

63

 

> 60

9

39

 

Sex

0.743

Female

7

19

 

Male

26

83

 

Tumor length

0.839

≤ 5 cm

24

76

 

> 5 cm

9

26

 

Differentiation

0.007

G1

4

34

 

G2

21

60

 

G3

8

8

 

T category

< 0.001

T1

2

28

 

T2

2

24

 

T3

29

50

 

Intramural metastasis

1.000

No

32

99

 

Yes

1

3

 
   

0.739

≤ 25

18

59

 

> 25

15

43

 

Adjuvant therapy

0.068

No

26

93

 

Yes

7

9

 

Lymphadenectomy

0.276

2-field

29

81

 

3-field

4

21