Seat

Effective

Frequency

Cumulative Frequency

Larynx

96

21.33

21.33

Hypopharynx

12

2.67

24.00

Oropharynx

19

4.22

28.22

Cavum

9

2.00

30.22

Oral cavity

34

7.56

37.78

Nose and sinus

117

26.00

63.78

Salivary glands

33

7.33

71.11

Thyroid

52

11.56

82.67

Hear

16

3.56

86.22

Ganglion

42

9.33

95.56

Esophagus

7

1.56

97.11

Trachea

1

0.22

97.33

Bronchi

1

0.22

97.56

Other

11

2.44

100.00

Total

450

100.00