Table 4: The distribution of topography.

Site tumors

Frequency

Percent

Valid Percent

Cumulative Percent

P-value

Valid

Border of tongue

201

31.0

31.0

31.0

0.001

Tonsil area

115

17.7

17.7

48.7

0.002

Ventral tongue

107

16.5

16.5

65.2

0.002

Lateral border

72

11.1

11.1

76.3

0.003

Retromolar area

64

9.9

9.9

86.1

0.003

Buccal mucosa

40

6.2

6.2

92.3

0.004

Lower lip

19

2.9

2.9

95.2

0.156

Dorsal surface

17

2.6

2.6

97.8

0.187

Other

14

2.2

2.2

100.0

0.196

Total

649

100.0

100.0