Table 1 Patient Clinical Data

Gender

Male

39

62.9

Female

23

37.1

Age(yr)

Median(range)

76(41~90)

≦ 60

14

22.6

>60

48

77.4

History of smoking

Yes

42

67.7

No

20

32.3

T stage

T1

7

11.3

T2

17

27.4

T3

16

25.8

T4

22

35.5

 N stage

N1

1

1.6

N2

35

56.5

N3

26

41.9

Pathologic pattern

Adenocarcinoma

29

46.8

Squamous cell carcinoma

27

43.5

Others

6

9.7

Treatment

RT(X-ray)+ Chemo → ICI

37

59.7

RT(Proton) + Chemo

25

40.3