carcinoma and its correlation with lymph node metastasis Clinical parameters Groups Frequency PN+
Patients sex Male Female 54 26 25 15
Patients age/years < or=29 40-80 6 74 4 36
Tumor site Floor of the mouth Anterior 2/3of the tongue Buccal mucosa Alveolar ridge Hard palate Lips 4 27 14 15 7 13 3 20 7 7 2 1
Tumor size T1 T2 T3 T4 24 42 9 5 5 24 7 4
PN+ = Positive lymphnod
Table 2: Characteristic clinical feature for patient with oral squamous cell.