Esophageal cancer etiology and risk factors

There are several major factors: (1) cigarettes and alcoholic drinks: Long-term smoking and alcohol consumption and the incidence of esophageal cancer. (2) the partial esophageal injury: Long-term Hi-iron diet may also be carcinogenic one of the factors. Solid all the original cause of the prolonged Buyu esophagitis, Early esophageal cancer is the disease, especially with change as cells to a greater risk of cancer. Esophagitis, or in the thoracic esophagus. (3) nitrosamines: nitrosamine compounds is a strong carcinogen. Consumption of sauerkraut and proportional to the incidence of esophageal cancer. Some foods often preserved in the process of mold contamination. Mold can bring in food and nitrite two amine content increased. (4) The role of fungi: Alternaria spp mycophenolate, such as aflatoxin in food exists in the mold of high-carcinogenic substances. (5) Nutrition and trace elements: a lack of dietary vitamin, protein and essential fatty acids, and other components of the lack of esophageal mucosa can hyperplasia change as further can cause cancer. (6) Genetic factors: population and genetic susceptibility and environmental conditions. (7) other factors: excessive consumption, the consumption of food Cuying esophageal mucosa may cause injury, repeated damage can cause mucosal hyperplasia of change, which leads to carcinogenesis.