Environmental factors and smoking in the causation of cancer of the lung.
D002980:Climate; D004777:Environment; D064702:International Classification of Functioning, Disability and Health; D008175:Lung Neoplasms; D009369:Neoplasms; D012907:Smoking / Q000009:adverse effects*
ENVIRONMENT/effects; LUNGS/neoplasms; SMOKING/injurious effects