Clinical analysis of metastatic characteristics of infrapyloric lymph nodes (No.206) and terminal ileum lymph nodes in patients with right colon cancer

Table 2 Distribution of lymph node metastases by tumor location

Tumor location	Total metastasis rate (% )	Metastasis rate (%) in paracolic area	Metastasis rate (%) in intermediate area						Metastasis rate (%) in main area
Tumor location	Total metastasis rate (% )	Metastasis rate (%) in paracolic area	No.202	No.212	No.222	χ²	p value	No.202	No.212	No.222	χ²	p value
Ileocecal group	46.7%	43.5%	12.0%	2.2%	0	16.629	0.000	6.5%	2.2%	0	7.209	0.027
Ileocecal group	(43/92)	(40/92)	(11/92)	(2/92)	(0/92)	16.629	0.000	(6/92)	(2/92)	(0/92)	7.209	0.027
Ascending colon group	43.7%	40%	6.7%	3.0%	4.4%	0.415	0.375	2.2%	4.4%	3.0%	0.415	0.375
Ascending colon group	(59/135)	(54/135)	(9/135)	(4/135)	(6/135)	0.415	0.375	(3/135)	(6/135)	(4/135)	0.415	0.375
Hepatic flexure group	39.2%	33.3%	0	4.4%	6.7%	0.635	0.298	0	6.7%	5.9%	0.063	0.500
Hepatic flexure group	(53/135)	(45/135)	(0/136)	(6/135)	(9/135)	0.635	0.298	(0/135)	(9/135)	(8/135)	0.063	0.500
χ²	1.319	2.614	15.622	0.963	6.171	/	/	9.661	2.498	6.078	/	/
P value	0.517	0.271	0.000	0.618	0.046	/	/	0.008	0.287	0.048	/	/

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