Table 1 Patient characteristics

Patient No

23

29

52

Age

Median

66

60

63

Range

25–92

26–90

25–92

Sex

Male

21

28

49

Female

2

1

3

Squamous histology

22

30

52

Tumor sites

Oropharynx

5

10

15

Oral cavity

7

8

15

Parotid (primary or metastates)

3

1

4

Larynx

4

6

10

Hypopharynx

2

2

4

Unknown

1

2

3

Nasopharynx

1

0

1

Stages

I

0

2

2

II

2

1

3

III

9

12

21

IVA

6

10

16

IVB

3

4

7

IVC

2

0

2

Recurrence

1

0

1

T stages

Tx

1

2

3

T1

1

4

5

T2

13

10

23

T3

3

8

11

T4

4

5

9

Recurrence

1

0

1

Neck nodes

N0

3

8

11

N1

13

9

22

N2

4

10

14

N3

2

2

4

Recurrence

1

0

1

Treatement

Radiotherapy alone

5

5

10

Chemoradiation

18

24

42