Table 1 Patient and treatment characteristics (n)

Sex

Grading

Female

19 (28.4%)

1

1

Male

48 (71.6%)

2

33

Age

3

25

Median

71 y

Unknown

8

Mean

71.6 y

T-stage

Range

65–82 y

1

1

ECOG

2

10

0

38

3

51

1

18

4

2

2

6

Tx/Unknown

3

3

4

N-stage

Unknown

1

0

3

Tumor site

1

54

Cervical

4

2

3

Upper thoracic

11

3

1

Middle thoracic

19

Nx/Unknown

6

Lower thoracic

33

M-stage

Histology

0

63

Adeno

33

1

3

SCC

34

Mx/Unknown

1

AJCC/UICC stage^I

SCC

Adeno

II

4

0

III

23

25

IVA

2

2

IVB

1

2

Unknown

4

4

Chemotherapy

RT technique

Neoadjuvant

44

APPA (two-field)

11

Definite

23

3D-CRT (multi-field)

34

Agents

IMRT

19

Platinum-taxane-based

58

Unknown

3

Others

9

Charlson score^II

SCC

Adeno

 ≤ 1

27

25

 > 1

7

8