Predictive factors for lymph node metastasis in poorly differentiated early gastric cancer and their impact on the surgical strategy

Table 1 Distribution of metastatic lymph nodes

Lymph node station	Tumor location in the stomach
	Upper	Middle	Lower	Overall
Group 1 (N1)	1	3	25	29
No. 1, right paracardial nodes	1	1	0	2
No. 2, left paracardial nodes	0	0	0	0
No. 3, lesser curvature nodes	0	1	5	6
No. 4, great curvature nodes	0	1	5	6
No. 5, suprapyloric nodes	0	0	0	0
No. 6, infrapyloric nodes	0	0	15	15
Group 2 (N2)	0	3	12	15
No. 7, leftt gastric artery nodes	0	3	8	11
No. 8, common hepatic nodes	0	0	3	3
No. 9, celiac artery nodes	0	0	1	1