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Table 1 Patients characteristics and clinicopathologic features associated with further lymph node metastases at the N2 site

From: Process of distant lymph node metastasis in colorectal carcinoma: Implication of extracapsular invasion of lymph node metastasis

The N2 site metastasis

Positive

Negative

 

Patients (n)

6

31

P value

Age (y ± SD)

71.5 ± 14.9

64.5 ± 14.4

0.301

Gender (M/F, n)

2/4

22/9

0.193

Location (Colon/Rectum, n)

5/1

21/10

0.782

Histrogical type (tub1-2/muc, n)

5/1

30/1

0.729

Tumor size (mm)

49.5 ± 14.1

40.0 ± 18.5

0.256

pT category (T1,2/T3,4, n)

0/6

7/24

0.470

Number of positive LNs (n)

3.5 ± 1.0

2.2 ± 2.0

0.149

ECI (n)

6

9

0.005

Lymphovascular invasion (n)

6

30

0.353

CEA (3.0<, n)

2

10

0.671

  1. LN, lymph node; ECI, extracapsular invasion.