Zargar et al described a classification for the endoscopic appearance of caustic and corrosive mucosal injury of the esophagus and stomach. The authors are from the Postgraduate Institute of Medical Education and Research in Chandigarh, India.
The grade was associated with outcome. Low grade injuries (Grades 0, 1 and 2a) resolved without sequelae. High grade injuries (Grades 2b, 3a, and 3b) had significant scarring and usually required an endoscopic and/or surgical intervention.
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