病人，男性，69岁。因吞咽不畅20年入院。病人于20年前，无任何原因反复发作进硬食后胸骨后梗噎感，但无吞咽困难，无恶心、呕吐及发热。曾多次行食管镜检示：距门齿28～32cm之食管前后壁炎症、糜烂。病检示：食管粘膜慢性炎症，鳞状L皮不典型增生，用中西药物治疗，效果不佳。 Patient, male, 69 years old. Poorly swallowed for 20 years. Twenty years ago, the patient had recurrent episodes of sternal hindpaw without any reason, but there was no dysphagia, no nausea, vomiting, and fever. Esophagoscopy examinations have been performed several times: Inflammation and erosion of the anterior and posterior walls of the esophagus 28 to 32 cm from the incisors. Disease examination shows: chronic inflammation of esophageal mucosa, squamous L-atypical hyperplasia, with Western medicine treatment, the effect is poor.