食管癌是一种消化道癌肿,全世界每年约有30万人死于食管癌,我国每年因食管癌而死亡者约15万余人[1],男多于女,约为1.6:1,发病年龄40岁以上,农业人口较城市人口居多。本病在临床上主要表现为进食哽噎感或咽下困难,并伴有胸骨后疼痛,颈部肿块及消瘦等症状出现。晚期患者出现滴水不进、口吐粘液、声音嘶哑、出血、梗阻、食管穿孔及恶病质,或 Esophageal cancer is a kind of digestive tract cancer. About 300,000 people die of esophageal cancer each year in the world. About 150,000 people die each year due to esophageal cancer in our country. More men than women are about 1.6: 1 , The age of onset of 40 years of age or older, the agricultural population than the urban population. The disease mainly in clinical manifestations of eating soreness or swallowing difficulties, accompanied by chest pain, neck mass and weight loss and other symptoms appear. Late patients do not drip, vomit mucus, hoarseness, bleeding, obstruction, esophageal perforation and cachexia, or