Experts analyze the causes of lung cancer

What causes lung cancer? For lung cancer patients, finding the cause of lung cancer is the most critical issue. So what are the causes of lung cancer? Let's take a look at the experts' answers below.

There are many causes of lung cancer, the main ones are:

1. Occupational factors: Long-term exposure to radioactive substances such as uranium, radium and their derivatives, carcinogenic hydrocarbons, arsenic, chromium, nickel, copper, tin, iron, coal tar, asphalt, petroleum, asbestos, mustard gas and other substances can induce lung cancer, mainly squamous cell carcinoma and undifferentiated small cell carcinoma.

2. Air pollution: The incidence of lung cancer is high in industrially developed countries, higher in cities than in rural areas, and higher in factory and mining areas than in residential areas.

3. Smoking: A large amount of survey data from various countries shows that the cause of lung cancer is closely related to smoking.

4. Internal factors of the human body: such as family heredity, reduced immune function, metabolic activity, endocrine dysfunction, etc. may also play a certain role in promoting the incidence of lung cancer.

5. Chronic lung diseases: such as tuberculosis, silicosis, and pneumoconiosis can coexist with lung cancer. In addition, chronic bronchial inflammation and pulmonary fibrosis scar lesions may cause squamous metaplasia or hyperplasia during the healing process, and on this basis, some cases may develop into cancer.

The above are the causes of lung cancer. Through the introduction of experts, I believe you have a certain understanding of the causes of lung cancer. Experts remind: once the patient is diagnosed with lung cancer, he should go to a regular hospital for treatment in time to avoid worsening of the disease. If you have any questions about the causes of lung cancer, please consult our online experts.

For more information, please visit the lung cancer special topic at http://www..com.cn/zhongliu/fa/ or consult an expert for free. The expert will then give a detailed answer based on the patient's specific situation.