Endoscopic treatment for early gastric cancer

Table 1 Criteria for endoscopic treatment in patients with early gastric cancer

	Mucosal cancer				Submucosal cancer
	No ulceration		Ulceration		SM1	SM2
Size (mm)	≤ 20	> 20	≤ 30	> 30	≤ 30	Any size
Histology
Intestinal type	A	B	B	D	B	D
Diffuse type	C	D	D	D	D	D

SM1: Cancer invasion into the upper third of the submucosa; SM2: Cancer invasion into the middle third of the submucosa. A: Conventional indications; B: Expanded indications; C: Surgery, but need for further consideration; D: Surgery (gastrectomy + lymph node dissection); Data from Soetikno et al[8].