Table 1.

Absolute Indications and Expanded Indications for Treating Early Gastric Cancer with Endoscopic Resection

Absolute indications	Differentiated mucosal cancers <20 mm, without ulcer findings, no lymphatic vascular invasion
Expanded indications	Differentiated mucosal cancers, without ulcer findings, no lymphatic vascular invasion, regardless of tumor size
	Differentiated mucosal cancers with ulcer findings <30 mm, no lymphatic vascular invasion
	Differentiated minute (<500 μm) submucosal invasive cancers <30 mm, no lymphatic vascular invasion
	Undifferentiated mucosal cancers <20 mm, without ulcerative findings, no lymphatic vascular invasion