- 段: section; segment; part; para ...
- 食: a word used in person's name
- 颈段食管伤: injury of cervical part of esophagus
- 颈段食管良性狭窄: benign stricture of cervical part of esophagus
- 颈段食管开放性伤伴并发症: open wound of cervical esophagus with complication
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