pISSN 2636-0004
eISSN 2636-0012

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Fig. 1. Classification of esophageal mucosa: (A) Grade I, clean esophagus with no or minimal fluid residue; (B) Grade II, dilated esophagus with significant fluid residue and white substance on walls; and (C) Grade III, dilated esophagus with thick food and fluid residue with white substance.
Int J Gastrointest Interv 2021;10:6~11 https://doi.org/10.18528/ijgii200025
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