Precancerous lesions of lung cancer.

World recognized smoking-related lung cancer, smoking and lung cancer with the cause of a causal relationship. The incidence of lung cancer in our country there is an upward trend.
Precancerous lesions of lung cancer: When bronchial epithelial cells by a long-term carcinogenic substances to stimulate and influence, they gradually change hyperplasia, a serious pre-cancerous cells are some of the changes. Such as to stimulate long-term smoking, it has the potential to proliferation of cancerous cells. Sputum cytology of lung cancer is detected an important means of precancerous lesion and contribute to systematic observation of bronchial epithelial cells from the precancerous condition to the whole process of transition.
Prevention and treatment: First, to avoid smoking and non-smokers in public places. Air pollution and smoking increase in the number of precancerous lesions of the lung and lung cancer incidence soared an important factor. Emphysema and chronic bronchitis, and lung cancer are relatively more expensive.
Diet can prevent lung cancer. Eat more fresh vegetables, fruits, carotenoids, such as drinking low-fat milk. For example: 300 mg per day of vitamin C to eat food, his suffering from chronic bronchitis may eat daily 100 mg vitamin C foods were the incidence of 1 / 3 of the following. Whether from food or drugs to obtain vitamin C, its effectiveness is likely to have antioxidant, thereby protecting the lung tissue. Carotene to prevent smokers suffering from the role of oral leukoplakia. Can be used in addition to vitamin B, folic acid, tonkinensis such to prevent precancerous lesions.