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Table 2 Factors related to node metastasis in intermediate-risk EEC patients who underwent lymphadenectomy

From: Whether intermediate-risk stage 1A, grade 1/2, endometrioid endometrial cancer patients with lesions larger than 2 cm warrant lymph node dissection?

 

Total(n = 624)

Node metastasis (n = 12)

p

Histologic subtype

endometrioid

601

11 (1.8%)

0.372a

areas of squamous differentiation

23

1 (4.3%)

Tumor grade

1

504

8 (1.6%)

0.263a

2

120

4 (3.3%)

Histologic type of uninvolved endometrium

simple hyperplasia

153

3 (2.0%)

0.636a

complex hyperplasia

5

0

secretory endometrium

19

0

complex hyperplasia with atypia

143

1(0.7%)

atrophic endometrium

121

2 (1.7%)

no uninvolved endometrium

183

6 (3.3%)

Myometrial invasion

none

65

0

0.004a

superficial(<50%)

552

10 (1.8%)

superficial with MELF

7

2 (28.6%)

LVSI

no

590

8 (1.4%)

0.004a

yes

34

4 (11.8%)

Lesion location

fundus

198

2 (1.0%)

0.020a

cornua

87

3 (3.4%)

diffuse lesion

126

6(4.8%)

side wall & lower uterine segment

213

1(0.5%)

  1. Data anaylysis
  2. aFisher exact test