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食管癌首选手术治疗，不能手术切除者则选择放疗。放疗可使病情得到缓解，但许多病人出现良性或恶性狭窄，需反复行食管镜扩张术以解决吞咽困难。通常认为，放疗后食管狭窄或存在恶性病变时行食管镜检易产生并发症。为明确食管癌放疗后食管镜检的安全性．该文对食管瘤全量放疗?
The preferred surgical treatment for esophageal cancer is to choose radiotherapy for patients who cannot undergo surgical resection. Radiotherapy can ease the condition, but many patients have benign or malignant stenosis and need to repeat esophageal dilation to resolve dysphagia. It is generally believed that esophageal microscopy may cause complications when esophageal stenosis or malignant lesions occur after radiotherapy. To clarify the safety of esophageal microscopy after radiotherapy for esophageal cancer. This article deals with the total amount of esophageal radiotherapy?