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What are different causes of Lung Cancer ?

The most common cause of lung cancer is smoking. It is one of the few cancers where there is a clear cause in many cases. Lung cancer is predominantly a disease of the elderly; almost 70% of people diagnosed with lung cancer are over 65 years of age, while less than 3% of lung cancers […]

Lung Cancer – where it originates.

Lung cancer is a disease of uncontrolled cell growth in tissues of the lung. This growth may lead to metastasis, which is the invasion of adjacent tissue and infiltration beyond the lungs. The vast majority of primary lung cancers are carcinomas of the lung, derived from epithelial cells.

Malignant tumors, on the other hand, grow […]