Table 2. Characteristics of the patients enrolled in this study (n=127).

Characteristics	Value
Age	54.5(25-76)
Sex
Male	96 (75.6)
Female	31(24.4)
T stage
T1	47(37.0)
T2	48(37.8)
T3	19(15.0)
T4	13(10.2)
Differentiation
Well differentiated	84(66.1)
Moderate differentiated	33(26.0)
Poorly differentiated	10(7.9)
Metastasis lymph nodes
Positive	41(32.3)
Negative	86(67.7)
Groups
URBS	60(31.9)
Conventional surgery	67(68.1)