Table 1 Clinical and pathological characteristics of patients with UUS

Age (years)

 <50

10

34.5

 ≥50

19

65.5

Primary symptoms

 Vaginal bleeding

19

65.5

 Physical examination

8

27.6

 Lower abdominal pain

2

6.9

BMI (kg/m²)

 <24

15

51.7

 ≥24

14

48.3

Tumor size (cm)

 <5

2

6.9

 ≥5, < 10

13

44.8

 ≥10

14

48.3

FIGO stage

 I

17

58.6

 II

5

17.2

 III

4

13.8

 IV

3

10.3

Neoadjuvant chemotherapy

 Yes

4

13.8

 No

25

86.2

Hysterectomy

 Total hysterectomy

22

75.9

 Sub-radical hysterectomy

3

10.3

 Radical hysterectomy

2

6.9

 No

2

6.9

Lymphadenectomy

 Pelvic

10

34.5

 Pelvic + pre-aortic

7

24.1

 No

12

41.4

Omentectomy

 Yes

8

27.6

 No

21

72.4

Myometrial invasion

 <1/2

11

37.9

 ≥1/2

16

55.2

 NA

2

6.9

Cervical involvement

 Yes

4

13.8

 No

23

79.3

 NA

2

6.9

Pelvic lymph node metastasis

 Yes

2

6.9

 No

15

51.7

 NA

12

41.4

Pre-aortic lymph node metastasis

 Yes

1

3.4

 No

6

20.7

 NA

22

75.9

Adjuvant treatment

 Chemotherapy

22

75.9

 Chemotherapy + radiotherapy

1

3.4

 None

6

20.7