Predicting the Progress of Caustic Injury to Complicated Gastric Outlet Obstruction and Esophageal Stricture, Using Modified Endoscopic Mucosal Injury Grading Scale

Table 1

Corrosive injury of gastrointestinal tract based on modified endoscopic mucosal injury grading scale.

	Severity of corrosive injury
	0	I	IIa	IIb	III
Esophagus (𝑛=108)	1	9	9	46	43
Stomach (𝑛=108)	3	13	13	21	58
Duodenum* (𝑛=78)	21	24	8	12	13

∗Operators refrained from forcing the scope through the pylorus in 30 cases because of severe gastric damage.