More people die of lung cancer than any other type of cancer. Smokers are twenty times more likely to develop lung cancer than non-smokers or never-smokers. Apart from smoking and exposure to second-hand smoking, risk-factors include family history and exposure to radon gas, air pollution and even asbestos.
Symptoms: Its symptoms are persistent coughing, coughing up blood, wheezing, shortness of breath, voice changes, chest pain, unexplained weight loss. Lung cancer deaths are caused overwhelmingly by smoking and inhaling smoke. Tests and examinations include X Rays, CT scan, sputum cytology, thoracic surgery, chemotherapy and radiotherapy.