15% of<unk>  cancers in the US are of this<unk>  Small cell<unk>  cancer occurs almost exclusively in smokers – most commonly in heavy smokers and rarely in non-smokers.
types of Lung cancer
medical cause of Hemoptysis
symptom of Lung cancer
medical cause of Bronchiolitis
medical cause of Bronchiectasis
types of Kidney cancer
symptom of Mesothelioma
medical cause of Neoplasm