Table 1 Clinicopathological characteristics and Lgr5 expression in tumors from 44 patients with SCCE

Gender

Male

33

75.0

Female

11

25.0

Age

>60

15

34.1

<=60

29

65.9

PS score

>1

4

9.1

<=1

40

90.9

Tumor length(39 available)

> = 5 cm

21

53.8

<5 cm

18

46.2

Tumor location

Upper thoracic segment

7

15.9

Middle thoracic segment

22

50.0

Lower thoracic segment

15

34.1

AJCC stage(43 available)

I/II

19

44.2

III/IV T classification(40 available)

24

55.8

T < =2

20

45.5

T > 2

20

45.5

N classification(42 available)

N0

16

36.4

N+

26

59.1

M classification(43 available)

M0

33

75.0

M1

10

22.7

Treatment approach

Surgery

No

11

25.0

Yes

33

75.0

Chemotherapy

No

16

36.4

Yes

28

63.6

Radiotherapy

No

16

36.4

Yes

28

63.6

Lgr5 expression

Low

23

52.3

High

21

47.7