Table 1.

Patient and tumor characteristics

Median age	64.0 years (38–81)
Gender
Female	14 (51.9%)
Male	13 (48.1%)
AJCC stage
I	8 (29.7%)
II	6 (22.2%)
III	3 (11.1%)
IVA	10 (37.0%)
TNM
T1	8 (29.6%)
T2	8 (29.6%)
T3	10 (37.0%)
T4	1 (3.7%)
N0	18 (66.7%)
N1	9 (33.3%)
M1	0 (0%)
Grade of differentiation
Moderate	19 (70.4%)
Poor	8 (29.6%)
Single lesion	18 (66.7%)
Multiple lesions	9 (33.3%)
No vascular invasion	16 (59.3%)
Vascular invasion	11 (40.7%)
Margin of resection
Negative	24 (88.9%)
Positive	3 (11.1%)
Median follow up	29.1 months (3.8–105.8)
Median OS	44.6 months (14.9–105.8)