Version June 2024
| Location | Frequency | Predisposing condition |
| Proximal one-third | Rare | Central nervous system lesions |
| Zenker's diverticulum | ||
| Cervical web | ||
| Middle one-third | Frequent | Cancer (primary or extrinsic) |
| Eosinophilic esophagitis | ||
| Radiation stricture | ||
| Traction esophageal diverticula | ||
| Spastic dysmotility | ||
| Distal one-third | Common | Peptic stricture |
| Eosinophilic esophagitis | ||
| Esophageal mucosal ring | ||
| Cancer | ||
| Achalasia | ||
| Pulsion esophageal diverticula | ||
| Spastic dysmotility |
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