Common risk factors in the development of<unk>  of the<unk>  are smoking, family history of<unk>  cancer, high levels of air pollution, radiation therapy to the chest, radon gas, asbestos, occupational exposure to chemical carcinogens, and previous<unk>  disease.
Adenocarcinoma of the lung risk factors
Squamous cell carcinoma of the lung risk factors
Sarcomatoid carcinoma of the lung risk factors
Large cell carcinoma of the lung risk factors
Pulmonary nodule risk Factors
Chronic bronchitis risk factors
Bronchiectasis risk factors
Occupational lung disease risk factors