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江苏省是肿瘤高发的省份之一，其中，食管癌的死亡率列所有肿瘤的第三位，达２９－９７１０万，因此，食管癌的防治已经成为全社会的一项重要的公共卫生问题。迄今为止，虽然在食管癌的流行病学与病因学方面进行了大量的人群调查和动物实验，提出了许多假说，但仍然没有发现
Jiangsu Province is one of the provinces with a high incidence of cancer. Among them, the mortality rate of esophageal cancer ranks third among all tumors, reaching 29-97 to 100,000. Therefore, the prevention and treatment of esophageal cancer has become an important public health of the whole society. problem. So far, although a large number of population surveys and animal experiments have been conducted in the epidemiology and etiology of esophageal cancer, many hypotheses have been proposed but they have not been discovered yet.