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Showing posts from October, 2016

Why Lung Cancer Occurs?

 Lung Cancer .. Lung cancer , also known as   carcinoma of the lung   or   pulmonary carcinoma , is a malignant   lung tumor   characterized by uncontrolled   cell growth   in   tissues   of the lung . If left untreated, this growth can spread beyond the lung by process of   metastasis   into nearby tissue or other parts of the body. Most   cancers   that start in the lung, known as primary lung cancers, are   carcinomas   that derive from   epithelial   cells.   Lung cancer may be seen on   chest radiographs   and   computed tomography   (CT) scans. The   diagnosis   is confirmed by   biopsy   which is usually performed by   bronchoscopy   or CT-guidance The main primary types of lung cancer are :-   small-cell lung carcinoma   (SCLC) and   non-small-cell lung carcinoma   (NSCLC). Lung cancer causes :- ...