Methods:A retrospective study was carried out among 56 cases with sharp foreign bodies in esophagus.

方法：对56例老年人尖锐食管异物进行了回顾性分析和研究。

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Objectivs: To improve the diagnosis and treatment of the old patients with sharp foreign bodies in esophagus and avoid the complications.

前言：目的：为了更好的诊断和治疗老年人尖锐食管异物，预防并发症。

youdao

Objectivs: To improve the diagnosis and treatment of the old patients with sharp foreign bodies in esophagus and avoid the complications.

前言：目的：为了更好的诊断和治疗老年人尖锐食管异物，预防并发症。

youdao