History of caustic ingestion 2 months ago followed by dysphagia and odynophagia.
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Long segment esophageal stricture with no extra luminal leakage of contrast. Few air bubbles are seen as lucent filling defects.
Corrosive ingestion can harm the esophagus without the stomach as the gastric acid can neutralize the alkalinity of the caustic substances. The severity depends on the time of contact between the esohpageal mucosa and the agent as well as the concentration of the caustic substance.