Table.

A Summary of Previous Case Reports with Differentiated Adenocarcinoma Arising in the Antrum without Helicobacter pylori Infection.

No.	Reference	Age	Gender	Location	Morphology	Size (mm)	Preoperative diagnosis	Differentiation	Depth	Phenotype	Lymphovascular invasion	VS classification system		Metaplasia
1	3	73	Female	N/D	IIa	4	N/D	tub1	M	Gastric	0	N/D	N/D	N/D
2	4	30s	Female	Gre	IIc	6	Group 5	tub1	M	Intestinal	0	DL+	MS irreg./MV irreg.	0
3	5	67	Male	Post	IIc	8	Group 3	tub1	M	Intestinal	0	DL+	MS irreg./MV reg.	0
4	6	30s	Female	Ant	IIa+IIc	11	Group 4	tub1	M	Gastrointestinal	0	DL+	MS reg./MV reg.	1
5	7	70s	Female	Gre	IIa+IIc	10	Group 5	tub1	M	Gastrointestinal	0	DL+	MS irreg./MV irreg.	0
6	8	54	Male	Gre	IIa	13	N/D	tub1	M	Gastrointestinal	0	DL+	MS irreg./MV reg.	0
7	9	40	Male	Less	IIa	9	Group 3-4	tub1	M	Intestinal	0	DL+	MS irreg./MV irreg.	0
8	10	68	Male	Post	IIc	Multiple	Group 5	tub1	M	Intestinal	0	Unclear	MS irreg./MV irreg.	1
9	11	40s	Male	Ant	IIa	2	Group 5	tub1	M	Gastric	0	Unclear	MS irreg./MV irreg.	0
10		60s	Female	Ant	IIa	3	Group 5	tub1	M	Gastric	0	DL+	MS irreg./MV irreg.	0
11	12	60s	Female	Gre	IIc	6	Group 5	tub1	M	Intestinal	0	DL+	MS irreg./MV irreg.	0
12	13	40	Male	Gre	IIc	10	Group 5	tub1	M	Gastrointestinal	0	DL+	MS irreg./MV irreg.	1
13	14	34	Male	Post	IIa+IIc	9	Group 3	tub1	M	Intestinal	0	DL+	MS irreg./MV irreg.	0
14	15	70	Female	Gre	IIa+IIc	6	Group 3	tub1	M	Gastrointestinal	0	DL+	MS irreg./MV irreg.	0
15	16	66	Male	N/D	IIc	9	N/D	tub1	M	Intestinal	0	N/D	N/D	N/D
16		49	Male	N/D	IIc	5	N/D	tub1	M	Intestinal	0	N/D	N/D	N/D
17		65	Female	N/D	IIa	3	N/D	tub1	M	Intestinal	0	N/D	N/D	N/D
18		61	Female	N/D	IIc	5	N/D	tub1	M	Intestinal	0	N/D	N/D	N/D
19		43	Female	N/D	IIc	3	N/D	tub1	M	Intestinal	0	N/D	N/D	N/D
20		48	Male	N/D	IIa	7	N/D	tub1	M	Intestinal	0	N/D	N/D	N/D
21		52	Female	N/D	IIa	5	N/D	tub1	M	Intestinal	0	N/D	N/D	N/D
22	17	51	Male	Less	IIa+IIc	10	Group 4	tub1	M	Intestinal	0	N/D	N/D	N/D
23		57	Male	Ant	IIa	6	Group 3	tub1	M	Intestinal	0	N/D	N/D	N/D
24		56	Male	Post	IIa	12	Group 2	tub1	M	Intestinal	0	N/D	N/D	N/D
25		51	Male	Gre	IIa	14	Group 3	tub1	M	Gastrointestinal	0	N/D	N/D	N/D
26		32	Male	Gre	IIa	8	Group 5	tub1	M	Gastrointestinal	0	N/D	N/D	N/D
27		48	Female	Gre	IIa	10	Group 3	tub1	M	Gastrointestinal	0	N/D	N/D	0
28		61	Female	Gre	IIa+IIc	18	Group 5	tub1	SM1	Gastrointestinal	0	N/D	N/D	N/D
29		64	Male	Post	IIa	2	Group 2	tub1	M	Gastrointestinal	0	N/D	N/D	N/D
30		64	Male	Gre	IIa	3	Group 5	tub1	M	Gastrointestinal	0	N/D	N/D	N/D
31	Our case	46	Male	Gre	IIc	12	Group 3	tub1	M	Gastrointestinal	0	Unclear	MS irreg./MV irreg.	0