Table 3.

Pathology findings

	LRR	ORR	χ2	P value
Differentiation			2.495	0.476
Well-differentiated	88	92
Moderate-differentiation	285	237
Poorly-differentiated	86	72
Mucinous cancer	33	23
pT			7.468	0.058
T1	33	29
T2	164	108
T3	207	193
T4	88	94
pN			6.865	0.076
N0	252	233
N1	147	96
N2	75	73
Nx	18	22
Lymph node metastasis				0.259
Yes	240	191
No	252	233
TNM stage				0.134
I	93	83
II	218	211
III	181	130

pT: Pathology Tumor; pN: Pathology Node; pM: Pathology metastasis; TNM: Tumor node metastasis.