Endoscopic and clinicopathological features of intramucosal, histologically mixed-type, low-grade, well-differentiated gastric tubular adenocarcinoma with the potential for late-onset lymph node metastasis

Table 5 List of histologically mixed-type, LG-tub1 lesions

Case number	Atypia grade-histology contained in LG-tub1	Age	Sex (M/F)	Maximum diameter (mm)	Macroscopic type (0-IIa/0-IIb/0-IIc^a)	Color on WLE (W/Iso/R)	DL on NBI-ME	Mucin phenotype (G/GI/I)	H. pylori status	Endoscopically resected metachronous EGC lesion > 1 year before this study
1	HG-tub2-por2	93	M	31	0-IIb	Iso	Clear	G	–	+
2	HG-tub2	80	M	15	0-IIa	R	Clear	G	+	+
3	HG-tub2	57	M	12	0-IIc	R	Clear	G	+	–
4	HG-tub2	62	M	10	0-IIc	W	Clear	G	+	–
5	HG-tub2	69	M	8	0-IIb	R	Clear	GI	+	–
6	HG-tub2	91	M	14	0-IIc	R	Clear	I	–	+
7	LG-tub2	80	F	17	0-IIc	W	Clear	I	+	–
8	HG-tub1	68	M	14	0-IIa	W	Clear	G	–	–
9	HG-tub1	73	M	11	0-IIa	W	Clear	G	+	–
10	HG-tub1	81	M	6	0-IIa	W	Clear	G	–	–
11	HG-tub1	77	M	70	0-IIb	Iso	Partly unclear	GI	–	+
12	HG-tub1	65	M	43	0-IIb	Iso	Partly unclear	GI	+	–
13	HG-tub1	77	M	14	0-IIc	R	Clear	GI	–	–
14	HG-tub1	67	F	10	0-IIa	W	Clear	I	+	–
15	HG-tub1	73	F	8	0-IIa	W	Clear	I	+	–
16	HG-tub1	70	M	2	0-IIb	Iso	Clear	I	–	–

LG-tub1 low-grade, well-differentiated tubular adenocarcinoma; M male; F female; U upper-third; M middle-third; L lower-third portion of the stomach; WLE white light endoscopy; W whitish; Iso isochromatic; R reddish; DL demarcation line; NBI-ME narrow-band imaging with magnifying endoscopy; G gastric; GI gastro-intestinal; I intestinal mucin phenotype; EGC early gastric cancer; HG high-grade; Tub2 moderately differentiated tubular adenocarcinoma; Por2 non-solid type, poorly differentiated adenocarcinoma; ^a0-IIa superficial elevated; 0-IIb superficial flat; 0-IIc superficial depressed type [3]

ISSN: 1471-230X