Table 1 Demographic, tumor and treatment characteristics of the 70 patients

Age (y)

  Median

61

  Range

41-91

Gender

  Male

62

  Female

8

Primary site

  Oral cavity

8

  Oropharynx

31

  Hypopharynx

17

  Larynx

10

  Nasopharynx

3

  Unknown primary

1

Tumor stage

  T0

1

  T1

5

  T2

22

  T3

25

  T4

17

Nodal stage

  N0

18

  N1

16

  N2a

3

  N2b

20

  N2c

8

  N3

5

Overall stage

  I

1

  II

15

  III

9

  IV

45

Radiotherapy

  Step and Shoot IMRT

65

  Volumetric Modulated Arc Therapy

5

Chemotherapy

  Concurrent

  Cisplatin

22

  Carboplatin/5-Fu

7

  Cetuximab

12

  Induction + concurrent

7

No chemotherapy

22