The cause.Medical lung cancer that can occur for the following reasons:1. smoking. Medical believe that smoking is a cause of lung cancer recurrence. In this country, Thailand has a current campaign against smoking, and it was found that the lung cancer has started to decrease.2. some types of substances, breathing into frequently, such as tar. Smoke, fire, or even dust. If the breath may cause cancer. So it was found that people who live in cities are more than that of lung cancer who reside in rural areas also, people who work in factories, or breathing the fumes of. Some types of melting metals such as cadmium, chromium, cobalt, silver, aluminum, steel, Cyrillic, etc. may cause lung cancer.3. a scar the lungs. The scar that scar the lungs, especially from a tuberculosis patient or scar from the lung inflammation that often may be the cause of the lung cancer. People of Thailand and found that the lung cancer it is sick. A tuberculosis patient before.
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