Lymph node metastasis in early gastric cancer with submucosal invasion: Feasibility of minimally invasive surgery

Table 6 Lymph node status assessed by co-factor of size and depth in submucosal gastric cancer

Depth (μm)	Size (cm)
	≤ 2	2-3	3-4	> 4
≤ 500 (n = 23)	0a/4b	0/6	0/6	2/7
500-1000 (n = 17)	0/1	1/6	1/4	1/6
1000-2000 (n = 19)	0/5	2/8	1/2	1/4
> 2000 (n = 46)	3/17	5/10	3/8	4/11

^aNumber of cases with lymph node metastasis;

^bNumber of total cases.