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Cancer, this medical ailment is bad enough to scare anyone. In a long list of cancers evident in human body, lung cancer is among the top causes of deaths in the US for both men and women claims one of the popular medical journals on cancer in the country. The other terms for lung cancer include pulmonary carcinoma or carcinoma of the lung. A lung cancer is a malignant lung tumour, which are attributed as an uncontrolled cell growth inside the tissues of the lung. If it in case it is left untreated, the growth of the same can spread beyond this lung by the process known as metastasis over the nearby tissue or any other parts of the body. A majority of cancer forms are seen spreading with lung as the basic lung cancers, which originates from epithelial cells..............READ MORE>>>>>.......