Reevaluation of the expanded indications in undifferentiated early gastric cancer for endoscopic submucosal dissection

Table 2 Detailed clinical information of the 14 patients with lymph node metastasis

Case No.	Age (yr)	Sex	Type	Size (cm)	Location	Histology	Depth of invasion	Total number of dissected LNs	Number of metastatic LNs
1	59	Female	IIb	1.5	Middle	PD with SRC	LP	31	3
2	41	Female	IIc	1.3	Lower	PD with SRC	LP	18	3
3	57	Male	IIc	1.3	Lower	SRC	LP	21	1
4	47	Female	IIc	1.8	Middle	PD with SRC	LP	21	3
5	46	Female	IIb	2.0	Lower	PD with SRC	LP	25	6
6	37	Female	IIc	1.5	Lower	PD with SRC	MM	31	3
7	48	Female	IIc	1.5	Lower	PD with SRC	LP	37	1
8	35	Male	IIc	0.9	Lower	PD with SRC	LP	38	1
9	35	Female	IIc	1.5	Lower	PD with SRC	LP	27	1
10	52	Female	IIb	0.7	Lower	PD with SRC	LP	29	1
11	60	Male	III	0.6	Lower	PD with SRC	MM	30	1
12	39	Female	IIc	2.0	Lower	PD with SRC	LP	37	1
13	37	Female	IIb	1.8	Lower	PD with SRC	LP	42	1
14	33	Male	IIc	2.0	Lower	PD with SRC	LP	48	3

LNM: Lymph node metastasis; PD: Poorly differentiated carcinoma; SRC: Signet ring cell; SRCC: Signet ring cell carcinoma; LP: Lamina propria; MM: Muscularis mucosa.