Table IV.

Histopathological features of the E and L groups.

Feature	E group (n=35)	L group (n=51)	P-value (univariate)	P-value (multivariate)
Tumor size, mm	35.3±15.7	26.5±10.8	0.003	0.037
Serosal invasion, %	65.7	58.8	0.519	0.490
Retroperitoneal invasion, %	74.3	66.7	0.450	0.443
Lymph node metastasis, %	82.9	53.0	0.004	0.132
Node positive number	4.2	1.7	0.005	0.980
Neural invasion, %	97.1	78.4	0.014	0.159
Plexus invasion, %	51.4	29.4	0.039	0.626
R0 rate, %	71.4	86.3	0.089	0.714