Table 1.

Characteristics of patients and tumors

	Median (range)	n(%)
Age (years)	59(34-85)
<60		89 (54.9%)
≥60		73 (45.1%)
Gender
female		60 (37%)
male		102 (63%)
Long diameter of tumor (cm)	4(0.5-14)
<4		74 (45.7%)
≥4		88 (54.3)
Tumor location
head		11 (72.2%)
body and rear		45 (27.8%)
Nodal status
Negative		97 (59.9%)
Positive		65 (40.1%)
Perineural Invasion status
Negative		79 (48.8%)
Positive		83 51.2%)