Table 3.

Results of multivariate analyses showing relationships among clinicopathological characteristics of the specimens.

Lymph node metastasis		Remnant of primary tumor
Variables	P value	Variables	P value
Age	0.545	Sex	0.365
Endoscopic treatment	0.264	Endoscopic treatment	0.071
Pathological tumor size	0.482	Pathological tumor size	0.836
Depth of tumor invasion	0.300	Depth of tumor invasion	0.015*
Macrotype	0.121	Lymphatic invasion	0.159
Lymphatic invasion	0.269	Venous invasion	0.091
Venous invasion	0.017*	Horizontal margin	0.013*
Vertical margin	0.482	Vertical margin	0.072

*P < 0.05.